Upon trying to add the Strategy for Office Add-in manifest file in the Microsoft Admin Center to deploy the add-in, the deployment fails with the "No apps were successfully updated. Please try to update them later" error message.

https://www2.microstrategy.com/producthelp/Current/Office/en-us/Content/deploy_as_admin.htm?
This error may be caused by another Strategy for Office Add-in already being deployed under the same name in the Microsoft Admin Center.
The administrator will need to create a new manifest file for the add-in, making sure they’re using a different name for the new Strategy for Office Add-in.
https://www2.microstrategy.com/producthelp/Current/Office/en-us/Content/generate_in_workstation.htm