Board Thread:Support Requests - Designing Your Wiki/@comment-32718477-20180407235654/@comment-9605025-20180408000440

Check the new/updated templates for unclosed tags/tables. Based on my experience, that is 99.9% likely to be the cause. - Edit:

Also, the center tag is deprecated. It is suggested that you use CSS instead.

I am not sure I understand your issue with the trivia template.