Calender is not showing on page

[dennis.van.der.meerParticipant Support Period Has Expired]

Calender is not showing on page. I have created various seasons and set the conditions for each at the catalog, but perhaps not 100% correct?

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[AlexeyModerator]

Please fix your server or WordPress settings. See the screenshot:
https://monosnap.com/file/g57l67BEST0DzOPacxVn5PmlpZe4TR
You can see these errors in the browser console, they are not related to the theme.

[dennis.van.der.meerParticipant Support Period Has Expired]

Issue is fixed and ticket can be closed.