Apologies if this is posted in the wrong place but I don't think this is classed a a bug... yet.
LimeSurvey Version 2.00+ Build 130317
Ubuntu Linux 12.04.1
Apache 2.2.22
PHP Version 5.3.10-1ubuntu3.4
MySQL version 5.5.28

I have two surveys under the same username. One works perfectly. The other suddenly stopped allowing edits to Question Groups and Questions. I.e., if you click on the "Edit current question group" having selected one in the drop-down, the page refreshes but the area below the navigation bars stays empty. Examination of the HTML shows that the required data is missing, rather than just hidden. The behaviour with individual questions is identical. None of the following have made any difference:

• Changing the admin style.
• Cleared the browser cache and cookies after logging out, then logged back in.
• Exported the survey then re-imported it again into a new, empty survey.
• Exported an individual question then re-imported it again into a new, empty survey.

Exporting a Question Group and re-importing it into an empty survey restored the ability to edit the Group - but not the individual questions.
Having clicked the button to edit a Question, if I then delete the session cookie and refresh the page I have to log back in again, of course, and then the page appears correctly, with the editable question!!

I have tried this with both the latest LS build and the previous one. I even did a clean install of the previous build and imported the survey into that with precisely the same results.

I should add that this was all working perfectly and suddenly stopped for no apparent reason. Any suggestions (other than re-inputting the whole survey!) gratefully received.

Hello,

Please set debug=2 in config.php to have more information.

Denis

Thanks Denis. I had seen that debug setting in the config & then forgotten all about it

I tried it and when I tried to display the survey (choosing it from the drop-down), I get:

I don't get that on the other survey.

Cheers
Dave

Well, seems like your questionnaire has reached a limit somewhere. Could it be that it is a very big questionnaire and makes a lot of use of the Expression Manager?

holch écrit:
It's not that big - some 30 question groups, mostly each containing around 6 questions. And yet the Questions table in the DB has 3101 rows for the relevant survey.

Cheers,
Dave

Did you have a lot of condition ?
Did you use array_filter and array_filter_exclusion a lot ?

6 question: but with or without sub question ?

DenisChenu écrit: No.
DenisChenu écrit: No.
DenisChenu écrit: A few.

Structure is:

- Number of questions/groups: 154/22
- Two questions in each group, bar the first group, have 1 sub-question.
- Each group has several more questions with no sub-questions.

I just increased the max memory in php.ini to 384M & it all works now - but that 's obviously still not satisfactory behaviour :} Should I raise a bug report for this?

What is strange is that you see to have 128MB (134217728 bytes) of memory, but 7-8MB are already too much. I am not an expert here but this sounds like there is something blocking a lot of the memory.

I am not sure if the problem actually is limesurvey or something else on your server. 7-8MB of memory usage for a survey sound a lot to me, but then it is not a small survey. But I don't have any data for comparison.

What is strange is that basically 120MB of your allocated memory was already used by something else. What else is running on your webserver?