PowerBI Client issue ("element as type incompatible with the array") after SharePoint 13->16 upgrade

Hi bartp ,

What kind of embedding method are you choosing to use in Sharepoint 2016, publish to web?

As far as I know, the classic SharePoint Server is not supported with embedding to SharePoint Online.

For reference: Known issues and limitations

According to your screenshot, I think there should be something wrong in authentication. I think you can try to delete the cache , then get the embed code and bear token and try again.

Here is a solved post with similar problem like yours, I hope it could help you solve your problem.

For reference: Embed Power BI report on SharePoint on-prem page, SP List as data source & repeatable deployment?

Best Regards,
Rico Zhou

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