Can not access the additional attribute tab

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4 Wochen 18 Stunden her #158885 von MSMSEVN
MSMSEVN erstellte das Thema Can not access the additional attribute tab
Normally, I can access the Additional Attribute tab at ease to add more tokens to my current survey. But today, to be detail, 9/22/2017, I can no longer click on the Additional Attribute tab to manually add more tokens for my survey.

I do not know this is due to server's error or it was my survey's fault.

Please help me solve this problem.

Thank you in advance, and I am grateful for every kind help out there.
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