PNP Web Parts in SharePoint Online suddenly stop working

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I compiled a PNP Web Part sample for SharePoint Online on GitHub and published it in my SharePoint as an app. I was able to insert it and it rans.

 

But after an half a year, the Web Part is no longer working. It shows an empty area. In edit mode of the page I only get the error message that something is no longer working. I have already recompiled and renewed it. But without success.

 

Does anyone have any idea what that could be?

1 Reply
You will need to do some troubleshooting with the Web Part visualization by using explorer tools