Hi Greta Rapinett,
Welcome to our forum!
Please take the following steps:
- Navigate to Entra signed in as a tenant admin - https://entra[.]microsoft[.]com/
- Search for Microsoft Information Protection API > got to Properties
- Select Yes for 'Enabled for users to sign in?’
More information: I am getting this error message non-stop in Outlook. Any ideas how to - Microsoft Community
Hope it helps.
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