Troubleshooting - Revision history

Han: Marked this version for translation

2025-08-12T14:31:39Z

Marked this version for translation

← Older revision		Revision as of 16:31, 12 August 2025
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	~~=General=~~ <!--T:122-->		<!--T:122-->
			=General=
	This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].		This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].

	=When trying to open the administration login page= ~~<!--T:34-->~~		<!--T:34-->
			=When trying to open the administration login page=
	==Error message: "No input file specified" after installation==		==Error message: "No input file specified" after installation==
	or		or
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	Default is set to 1000 but if you have a question with lots of answer options or a survey page with lots and lots of questions/answers this limit might be exceeded. You will need to set this in your PHP configuration file (php.ini).		Default is set to 1000 but if you have a question with lots of answer options or a survey page with lots and lots of questions/answers this limit might be exceeded. You will need to set this in your PHP configuration file (php.ini).

	==Dates are not correctly displayed using MSSQL Server with FreeTDS on Linux== ~~<!--T:126-->~~		<!--T:126-->
			==Dates are not correctly displayed using MSSQL Server with FreeTDS on Linux==
	Locate the locales.conf file of FreeTDS and edit it. If you do not have any other applications using FreeTDS, just replace the contents with		Locate the locales.conf file of FreeTDS and edit it. If you do not have any other applications using FreeTDS, just replace the contents with

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	Otherwise, you will not be able to use ComfortUpdate, neither export data. Probably something else is going to fail.		Otherwise, you will not be able to use ComfortUpdate, neither export data. Probably something else is going to fail.

	~~=While taking a survey=~~ <!--T:61-->		<!--T:61-->
			=While taking a survey=
	==Error "Session has expired" ==		==Error "Session has expired" ==

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	(3. If necessary: Reinstall by browsing to /limesurveyfolder/admin/install)		(3. If necessary: Reinstall by browsing to /limesurveyfolder/admin/install)

	==After submitting a page, you end up on the general index page/on a 404 page or you get the message 'The CSRF token could not be verified' == ~~<!--T:123-->~~		<!--T:123-->
			==After submitting a page, you end up on the general index page/on a 404 page or you get the message 'The CSRF token could not be verified' ==
	or		or

	==After clicking 'Next' on a page which contains a big number of answers/subquestions, not all responses are being saved == ~~<!--T:143-->~~		<!--T:143-->
			==After clicking 'Next' on a page which contains a big number of answers/subquestions, not all responses are being saved ==
	or		or
	==After clicking 'Next', I end up on the same page==		==After clicking 'Next', I end up on the same page==
	or		or

	==Using the quick translation system doesn't save answers or subquestions == ~~<!--T:151-->~~		<!--T:151-->
			==Using the quick translation system doesn't save answers or subquestions ==
	or		or

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	*Another reason might be a proxy or a similar software which does not allow big post requests or requesting the same page several times in the background (which leads to a new CSRF-key being created). Try a different internet connection in this case.		*Another reason might be a proxy or a similar software which does not allow big post requests or requesting the same page several times in the background (which leads to a new CSRF-key being created). Try a different internet connection in this case.

	==No questions are shown when using MSSQL Server with FreeTDS on Linux== ~~<!--T:134-->~~		<!--T:134-->
			==No questions are shown when using MSSQL Server with FreeTDS on Linux==
	If you check carefully any question group there is a space in the group relevance which makes the entire group non-relevant. The underlying problem is that your FreeTDS returns spaces on empty fields because of a misconfiguration. You can fix this problem by forcing the FreeTDS protocol version to at least 8.0.		If you check carefully any question group there is a space in the group relevance which makes the entire group non-relevant. The underlying problem is that your FreeTDS returns spaces on empty fields because of a misconfiguration. You can fix this problem by forcing the FreeTDS protocol version to at least 8.0.
	So, edit freetds.conf (e.g. /etc/freetds/freetds.conf) and change the respective line to		So, edit freetds.conf (e.g. /etc/freetds/freetds.conf) and change the respective line to
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	=After taking the survey= <!--T:135-->		=After taking the survey= <!--T:135-->

	==Texts that were entered by the participant appear as question marks in the results== ~~<!--T:136-->~~		<!--T:136-->
			==Texts that were entered by the participant appear as question marks in the results==
	This happens if your database itself does not by default use an UTF-8 charset. This can happen when you have to create the database using a provider administration panel. You can fix this problem by executing the following SQL command on your database (using for example phpMyAdmin):		This happens if your database itself does not by default use an UTF-8 charset. This can happen when you have to create the database using a provider administration panel. You can fix this problem by executing the following SQL command on your database (using for example phpMyAdmin):

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	=Database specific issues= <!--T:155-->		=Database specific issues= <!--T:155-->

	== I want LimeSurvey to use a specific Postgres schema == ~~<!--T:156-->~~		<!--T:156-->
			== I want LimeSurvey to use a specific Postgres schema ==
	Set in config.php		Set in config.php
	'initSQLs' => array('SET search_path TO "LimeSurvey";'),		'initSQLs' => array('SET search_path TO "LimeSurvey";'),
	See config-defaults for an example.		See config-defaults for an example.
	</translate>		</translate>

Modernity4r: confortUpdate --> comfortUpdate

2024-07-12T05:43:57Z

confortUpdate --> comfortUpdate

← Older revision		Revision as of 07:43, 12 July 2024
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	<!--T:149-->		<!--T:149-->
	Otherwise, you will not be able to use ~~ConfortUpdate~~, neither export data. Probably something else is going to fail.		Otherwise, you will not be able to use ComfortUpdate, neither export data. Probably something else is going to fail.

	=While taking a survey= <!--T:61-->		=While taking a survey= <!--T:61-->

C schmitz: Text replacement - " enclose="div"" to ""

2022-02-16T13:02:24Z

Text replacement - " enclose="div"" to ""

← Older revision		Revision as of 15:02, 16 February 2022
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	<!--T:127-->		<!--T:127-->
	<syntaxhighlight lang="ini~~" enclose="div~~">		<syntaxhighlight lang="ini">
	[default]		[default]
	date format = %Y-%m-%d %H:%M:%S.%z		date format = %Y-%m-%d %H:%M:%S.%z
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	<!--T:63-->		<!--T:63-->
	<syntaxhighlight lang="php~~" enclose="div~~">ERROR		<syntaxhighlight lang="php">ERROR

	<!--T:64-->		<!--T:64-->
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	<!--T:74-->		<!--T:74-->
	<syntaxhighlight lang="php~~" enclose="div~~">		<syntaxhighlight lang="php">
	suhosin.memory_limit = 128		suhosin.memory_limit = 128
	suhosin.post.max_value_length = 5000000		suhosin.post.max_value_length = 5000000

Han: Marked this version for translation

2021-11-17T19:49:25Z

Marked this version for translation

← Older revision		Revision as of 21:49, 17 November 2021
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	Replace <your_database_name> with the name of your database. After you did that, deactivate your survey and activate it again.		Replace <your_database_name> with the name of your database. After you did that, deactivate your survey and activate it again.

	=Database specific issues=		=Database specific issues= <!--T:155-->

	== I want LimeSurvey to use a specific Postgres schema ==		== I want LimeSurvey to use a specific Postgres schema == <!--T:156-->
	Set in config.php		Set in config.php
	'initSQLs' => array('SET search_path TO "LimeSurvey";'),		'initSQLs' => array('SET search_path TO "LimeSurvey";'),
	See config-defaults for an example.		See config-defaults for an example.
	</translate>		</translate>

C schmitz at 07:13, 6 August 2021

2021-08-06T07:13:35Z

← Older revision		Revision as of 09:13, 6 August 2021
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	Replace <your_database_name> with the name of your database. After you did that, deactivate your survey and activate it again.		Replace <your_database_name> with the name of your database. After you did that, deactivate your survey and activate it again.

			=Database specific issues=

			== I want LimeSurvey to use a specific Postgres schema ==
			Set in config.php
			'initSQLs' => array('SET search_path TO "LimeSurvey";'),
			See config-defaults for an example.
	</translate>		</translate>

Han: Marked this version for translation

2019-04-04T19:35:21Z

Marked this version for translation

← Older revision		Revision as of 21:35, 4 April 2019
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			<!--T:152-->
	__TOC__		__TOC__


			<!--T:153-->
	{{Note\|The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of our LimeSurvey authorized partners: https://limesurvey.com.}}		{{Note\|The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of our LimeSurvey authorized partners: https://limesurvey.com.}}


	<!--T:122-->		=General= <!--T:122-->
	~~=General=~~
	This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].		This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].

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	# Check the variable "session.auto_start" in php.ini. If it is set to 1, change it to 0.		# Check the variable "session.auto_start" in php.ini. If it is set to 1, change it to 0.

			<!--T:154-->
	<u>Internet Explorer issues</u>		<u>Internet Explorer issues</u>
	LimeSurvey does not support any longer the access to the administration interface via Internet Explorer.		LimeSurvey does not support any longer the access to the administration interface via Internet Explorer.

Cdorin at 10:44, 21 March 2019

2019-03-21T10:44:33Z

Show changes

Cdorin at 10:10, 21 March 2019

2019-03-21T10:10:38Z

← Older revision		Revision as of 12:10, 21 March 2019
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	{{Note\|The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of ~~the~~ authorized ~~LimeSurvey~~ partners: https://limesurvey.com.}}		{{Note\|The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of our LimeSurvey authorized partners: https://limesurvey.com.}}


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	=General=		=General=
	This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].		This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].


	=When trying to open the administration login page= <!--T:34-->		=When trying to open the administration login page= <!--T:34-->
	==Error message: "No input file specified" after installation==		==Error message: "No input file specified" after installation==
			or
	==Any URL lets you end up on the survey list page==		==Any URL lets you end up on the survey list page==
	During installation LimeSurvey tries to determine the best solution for the URL-format. Sometimes this does not work properly.		During the installation process, LimeSurvey tries to determine the best solution for the URL-format. Sometimes this does not work properly.

	<!--T:117-->		<!--T:117-->
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	<!--T:119-->		<!--T:119-->
	'urlFormat' => 'path',		'urlFormat' => 'path',


	<!--T:120-->		<!--T:120-->
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	<!--T:150-->		<!--T:150-->
	Then try to open the administration by using the short admin URL:		Then try to open the administration panel by using the short admin URL:
	http://<yourserver.net>/<limesurvey_dir>/admin		http://<yourserver.net>/<limesurvey_dir>/admin


	=After logging into the administration= <!--T:53-->		=After logging into the administration= <!--T:53-->


	==Any action in admin page will return you to login screen== <!--T:54-->		==Any action in admin page will return you to login screen== <!--T:54-->
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	*PHP sessions problems		*PHP sessions problems
	*UTF8 encoding problems		*UTF8 encoding problems
	*IE ~~(6,7 and 8)~~ problems		*IE problems

	<!--T:56-->		<!--T:56-->
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	# Check if the variable "session.use_cookies" in php.ini is set to 1.		# Check if the variable "session.use_cookies" in php.ini is set to 1.
	# Check the variable "session.auto_start" in php.ini. If it is set to 1, change it to 0.		# Check the variable "session.auto_start" in php.ini. If it is set to 1, change it to 0.

			<u>Internet Explorer issues</u>
			LimeSurvey does not support any longer the access to the administration interface via Internet Explorer.

	<!--T:57-->		<!--T:57-->
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	If you edit any file (most probably config.php) do not save it as UTF8 to support special language chars! Always save .php files as true ANSI/ISO format.		If you edit any file (most probably config.php) do not save it as UTF8 to support special language chars! Always save .php files as true ANSI/ISO format.

			==Submitting a page which contains a big number of questions/answer options/subquestions does not work== <!--T:124-->
	==~~After submitting~~ a page ~~with~~ big number questions/answer options/subquestions ~~they are~~ not ~~saved~~== <!--T:124-->

	<!--T:125-->		<!--T:125-->
	There was a new setting introduced in PHP 5.3.9 (and was even backported to some earlier PHP versions): max_input_vars. This setting limits the maximum number of variables that can be POSTed (submitted) to the server.		There was a new setting introduced in PHP 5.3.9 (and was even backported to some earlier PHP versions): max_input_vars. This setting limits the maximum number of variables that can be POSTed (submitted) to the server.
	Default is set to 1000 but if you have a question with lots of answer options or a survey page with lots and lots of questions/answers this limit might be exceeded. You will need to set this in your PHP configuration (php.ini).		Default is set to 1000 but if you have a question with lots of answer options or a survey page with lots and lots of questions/answers this limit might be exceeded. You will need to set this in your PHP configuration file (php.ini).

	==Dates are not correctly displayed using MSSQL Server with FreeTDS on Linux== <!--T:126-->		==Dates are not correctly displayed using MSSQL Server with FreeTDS on Linux== <!--T:126-->
	Locate the locales.conf file of FreeTDS and edit it. If you do not have any other applications using FreeTDS just replace the contents with		Locate the locales.conf file of FreeTDS and edit it. If you do not have any other applications using FreeTDS, just replace the contents with

	<!--T:127-->		<!--T:127-->
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	<!--T:128-->		<!--T:128-->
	If you have other applications using FreeTDS you might want to check first what locale you need to edit.		If you have other applications using FreeTDS, you might want to check first what locale you need to edit.

	<!--T:129-->		<!--T:129-->
	Save and restart the server. Dates should now be shown properly. If this does not work you might have edited the wrong file - rinse and repeat.		Save and restart the server. Dates should now be shown properly. If this does not work, you might have edited the wrong file - rinse and repeat.


	==When I am entering special chars (Chinese, Cyrillic, Greek, Arabic) into my survey or administration , every character is shown as a question mark?== <!--T:140-->		==When I am entering special chars (Chinese, Cyrillic, Greek, Arabic) into my survey or administration , every character is shown as a question mark?== <!--T:140-->


	<!--T:141-->		<!--T:141-->
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	<!--T:142-->		<!--T:142-->
	Replace <your_database_name> with the name of your database. '''You need to do this before installing LimeSurvey.'''		Replace <your_database_name> with the name of your database. '''You need to do this before installing LimeSurvey.'''


	==PageSpeed creates some troubles to Limesurvey== <!--T:147-->		==PageSpeed creates some troubles to Limesurvey== <!--T:147-->


	<!--T:148-->		<!--T:148-->
	You should include:		You should include ModPagespeed off in your LimeSurvey virtualhost.
	ModPagespeed off
	in your ~~limesurvey~~ virtualhost

	<!--T:149-->		<!--T:149-->
	Otherwise, you will not be able to use ConfortUpdate neither export data. Probably something else is going to fail.		Otherwise, you will not be able to use ConfortUpdate, neither export data. Probably something else is going to fail.


	=While taking a survey= <!--T:61-->		=While taking a survey= <!--T:61-->
	==Error "Session has expired" ==		==Error "Session has expired" ==


	<!--T:62-->		<!--T:62-->
	You might, at one point, get a message like :		You might at one point get a message like:

	<!--T:63-->		<!--T:63-->
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	<!--T:66-->		<!--T:66-->
	~~And if you have~~ Suhosin activated on your server, ~~that's~~ might be the reason why you get this in the middle of a survey.		If Suhosin is activated on your server, it might be the reason why you get this in the middle of a survey.

	<!--T:67-->		<!--T:67-->
	Note: When your survey is not active, the behavior might be different and you could be redirected in the middle of a survey to the public list of surveys. The solution is the same.		{{Note\|When your survey is not active, the behavior might be different and you could be redirected in the middle of a survey to the public list of surveys. The solution is the same.}}

	<!--T:68-->		<!--T:68-->

Cdorin at 16:17, 20 March 2019

2019-03-20T16:17:20Z

← Older revision		Revision as of 18:17, 20 March 2019
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	{{The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of the authorized LimeSurvey partners: https://limesurvey.com.}}		__TOC__


			{{Note\|The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of the authorized LimeSurvey partners: https://limesurvey.com.}}

Cdorin at 16:16, 20 March 2019

2019-03-20T16:16:54Z

← Older revision		Revision as of 18:16, 20 March 2019
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	<languages />		<languages />
	<translate>		<translate>
	~~=General=~~ <!--T:122-->

			{{The following wiki section is the result of the work of multiple LimeSurvey community members. For more up-to-date information, check the [https://www.limesurvey.org/forum LimeSurvey forum]. For professional support, contact one of the authorized LimeSurvey partners: https://limesurvey.com.}}


			<!--T:122-->
			=General=
	This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].		This page lists typical technical issues and their solutions ''after'' a successful installation. If you need to troubleshoot issues that happen during installation please refer to the [[Installation FAQ]].


	=When trying to open the administration login page= <!--T:34-->		=When trying to open the administration login page= <!--T:34-->
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	Then try to open the administration by using the short admin URL:		Then try to open the administration by using the short admin URL:
	http://<yourserver.net>/<limesurvey_dir>/admin		http://<yourserver.net>/<limesurvey_dir>/admin


	=After logging into the administration= <!--T:53-->		=After logging into the administration= <!--T:53-->


	==Any action in admin page will return you to login screen== <!--T:54-->		==Any action in admin page will return you to login screen== <!--T:54-->
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	<!--T:58-->		<!--T:58-->
	If you edit any file (most probably config.php) do not save it as UTF8 to support special language chars! Always save .php files as true ANSI/ISO format. ~~Starting with 1.87 you can set the most important settings inside the application using the 'Global settings' dialog (like site name, administrator name, etc.).~~		If you edit any file (most probably config.php) do not save it as UTF8 to support special language chars! Always save .php files as true ANSI/ISO format.

	~~<!--T:59-->~~
	~~<u>IE Cookies :</u>~~

	~~<!--T:60-->~~
	~~IE (6,7 and 8) does not support underscore "_" in the server hostname. If it is the case, the cookies are not managed and cookie(s) is(are) not set. So change the server hostname under apache or IIS.~~

	==After submitting a page with big number questions/answer options/subquestions they are not saved== <!--T:124-->		==After submitting a page with big number questions/answer options/subquestions they are not saved== <!--T:124-->
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	<!--T:129-->		<!--T:129-->
	Save and restart the server. Dates should now be shown properly. If this does not work you might have edited the wrong file - rinse and repeat.		Save and restart the server. Dates should now be shown properly. If this does not work you might have edited the wrong file - rinse and repeat.


	==When I am entering special chars (Chinese, Cyrillic, Greek, Arabic) into my survey or administration , every character is shown as a question mark?== <!--T:140-->		==When I am entering special chars (Chinese, Cyrillic, Greek, Arabic) into my survey or administration , every character is shown as a question mark?== <!--T:140-->


	<!--T:141-->		<!--T:141-->
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	<!--T:142-->		<!--T:142-->
	Replace <your_database_name> with the name of your database. '''You need to do this before installing LimeSurvey.'''		Replace <your_database_name> with the name of your database. '''You need to do this before installing LimeSurvey.'''


	==PageSpeed creates some troubles to Limesurvey== <!--T:147-->		==PageSpeed creates some troubles to Limesurvey== <!--T:147-->


	<!--T:148-->		<!--T:148-->
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	<!--T:149-->		<!--T:149-->
	Otherwise, you will not be able to use ConfortUpdate neither export data. Probably something else is going to fail.		Otherwise, you will not be able to use ConfortUpdate neither export data. Probably something else is going to fail.


	=While taking a survey= <!--T:61-->		=While taking a survey= <!--T:61-->
	==Error "Session has expired" ==		==Error "Session has expired" ==


	<!--T:62-->		<!--T:62-->
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	<!--T:87-->		<!--T:87-->
	No matter what language you choose, the interface (admin and user) always is in English language. Normally this is caused by a bug in your PHP version. There is no other fix for this than updating your PHP version.		No matter what language you choose, the interface (admin and user) always is in English language. Normally this is caused by a bug in your PHP version. There is no other fix for this than updating your PHP version.


	==Some common errors (IIS focused)== <!--T:88-->		==Some common errors (IIS focused)== <!--T:88-->


	===Index.php won't open=== <!--T:89-->		===Index.php won't open=== <!--T:89-->


	<!--T:90-->		<!--T:90-->
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	Possible cause: ISAPI filter not configured		Possible cause: ISAPI filter not configured
	* In IIS, for the website (you could do it at the directory level) you must configure it to use php5isapi.dll		* In IIS, for the website (you could do it at the directory level) you must configure it to use php5isapi.dll


	===Index.php won't open and "php.exe -i" gives error messages about missing .dll's=== <!--T:92-->		===Index.php won't open and "php.exe -i" gives error messages about missing .dll's=== <!--T:92-->


	<!--T:93-->		<!--T:93-->
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	* Install only the extensions that you need		* Install only the extensions that you need
	* To test, try running php.exe -i from the command line		* To test, try running php.exe -i from the command line


	===Message stating database was missing=== <!--T:94-->		===Message stating database was missing=== <!--T:94-->


	<!--T:95-->		<!--T:95-->
	This may happen if you navigate to wrong url		This may happen if you navigate to wrong url
	* Make sure you go to limesurvey/admin/install/index.php instead of limesurvey/index.php !		* Make sure you go to limesurvey/admin/install/index.php instead of limesurvey/index.php !


	===Above fixes do not solve the problem=== <!--T:96-->		===Above fixes do not solve the problem=== <!--T:96-->


	<!--T:97-->		<!--T:97-->
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	* limesurvey/tmp directory needs writer permission for survey uploads		* limesurvey/tmp directory needs writer permission for survey uploads
	* updating doc_root in php.ini and $rootdir in config.php		* updating doc_root in php.ini and $rootdir in config.php


	===Missing files ("No such file or directory")=== <!--T:99-->		===Missing files ("No such file or directory")=== <!--T:99-->


	<!--T:100-->		<!--T:100-->
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	<!--T:146-->		<!--T:146-->
	Thath should fix this issue.		Thath should fix this issue.


	=After taking the survey= <!--T:135-->		=After taking the survey= <!--T:135-->


	==Texts that were entered by the participant appear as question marks in the results== <!--T:136-->		==Texts that were entered by the participant appear as question marks in the results== <!--T:136-->