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500: Internal Server Error array_merge(): Argument #2 must be of type array, nul

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7 months 2 weeks ago - 7 months 2 weeks ago #230842 by Mattias_F
500: Internal Server Error array_merge(): Argument #2 must be of type array, nul was created by Mattias_F
LimeSurvey version: Version 3.28.17
Own server or LimeSurvey hosting: Private server (shared with others)
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Hi,

When I go to the list of surveys and try to create, import or copy a survey I get the following error:



What does this mean and how can it be fixed?

Thank you,
Mattias
Last edit: 7 months 2 weeks ago by Mattias_F.
The following user(s) said Thank You: gwdgls

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7 months 2 weeks ago #230843 by Joffm
Replied by Joffm on topic 500: Internal Server Error array_merge(): Argument #2 must be of type array, nul
Don't copy/paste images.
You see the result.

Attach them.
 
Volunteers are not paid.
Not because they are worthless, but because they are priceless

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7 months 2 weeks ago #230845 by Mattias_F
Replied by Mattias_F on topic 500: Internal Server Error array_merge(): Argument #2 must be of type array, nul
Thank you, I have attached and inserted the image now.

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2 months 3 days ago #239656 by gwdgls
Replied by gwdgls on topic 500: Internal Server Error array_merge(): Argument #2 must be of type array, nul
We have the same problem trying to import a survey or create one. Interestingly, this is not the case with every LS survey admin or every survey, and we haven't yet found out, why it occurs in some cases and not in others.

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