I've created my survey but unable to activate the same because there are more than 250 questions in the survey. Attached is the screenshot of the error message. Anyone can suggest what alternative to be used instead of deleting the questions?
Currently I don't see any alternative to reducing the number of questions / subquestions. You basically ran into the maximum column limit of your database, so there is little you can do.
There are some discussions and requests for solving this problem for quite a while, but as far as I know, currently no one works on this limitation.
One solution is to split your survey into 2 surveys and connect them via the end url feature.
I find 250 questions a lot. Who will have to fill this out?
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Provide your LS version and where it is installed (own server, uni/employer, SaaS hosting, etc.).
Always provide a LSS file (not LSQ or LSG).
Note: I answer at this forum in my spare time, I'm not a LimeSurvey GmbH employee.