Add New Event Issue on Modern Events Lists

[pmcgown]

When adding a new event from the modern events web part or list, SharePoint navigates to the following URL: /_layouts/15/Event.aspx?ListGuid=36db15ff-dd21-4246-9961-c7605ccbfb55&Mode=Edit. If you were to copy the URL and open it in a new page or refresh the current page after it loads, the following error is shown. This did not happen previously and seems to be a bug recently introduced. Did something change on the backend for the Event.aspx page recently?

[#2]

Yes, we have the same problem. Started to get new tickets from end users this morning.

[#3]

@gu_johan @pmcgown 

Seems like issue with multiple SharePoint tenants, might be an issue at Microsoft end.

Try raising support ticket with Microsoft directly and report this behavior. Follow: Get support for Microsoft 365 - Online support 

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[#4]

@Evgeniia Firsova - I see you helped resolved a similar issue several years ago (Events Webpart - Can't create new events - Microsoft Community Hub) - Would you be able to also assist with this issue?

[#5]

Having same issue on our tenant as well. Users reporting today.

[#6]

@Mark Kashman, know of anyone who may help us track this down?

[#7]

Pinged one of our broader "pages" owner to help find good Events web part SME - off which, I'll share this forum thread and see if we get any insight.

[#8]

Thanks for the assist, Mark! It seems pretty widespread, so hopefully we can figure out what's going on quickly.

[#9 · Accepted solution]

As far as I know, the issue was resolved Friday night. Please check.

[#10]

I can confirm, this is resolved. Thank you for letting us know!