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Office 365: Engagement Cloud error: "Add-in Error Something went wrong and we couldn't start this add-in." (Doc ID 2654363.1)

Last updated on DECEMBER 05, 2022

Applies to:

Oracle Fusion CX Sales Cloud Service - Version and later
Information in this document applies to any platform.


Users are unable to login to EC from Office 365 client.
Error: "Add-in Error Something went wrong and we couldn't start this add-in. Please try again later or contact your system administrator"

-Desktop client WORKS
-Chrome Incognito mode still DOESN't work.
-EC login DOESN'T PROMPT SIGN-IN, a sign that it's not an app issue. Error pops as soon as clicking on the EC button in a new mail


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