A Microsoft file hosting and synchronization service.
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You might see this error if you have installed the standalone version of OneDrive from a web browser and another version from the App Store. When this happens, you may experience sync issues and see the error message: “You’re signed into 2 versions.”
To resolve the issue, follow the steps in the article here and let us know the outcome.
How to fix the OneDrive for Mac message "You’re signed in to 2 versions"
All you have to do is unlink your account and then quit OneDrive. After that, remove the OneDrive application and reinstall it from either the Mac App Store or the official OneDrive website.