OneCalendar in Win11 stopped synchronizing with my Gmail account.

OneCalendar in Win11 stopped synchronizing with Gmail calendar. Shows Synchronization completed with 1 error, but it is NOT synchronizing. Under Synchronization result, Summary, the Result code is AccountErrors. Numbers are all 0. Under Errors: The text associated with this error code could not be found. A connection with the server could not be established CalendarApp.ProviderBase.Exceptions.AccountRequestException: The text associated with this error code could not be found.

Tried to delete the account and then re-add it, but get Error adding your GMail account: : The text associated with this error code could not be found. A connection with the server could not be established.