After installing or upgrading to Veeam Backup for Microsoft 365 version 8 using Community Edition or an NFR (Not-For-Resale) license, email notifications are sent daily that state that state:
[Veeam Backup for Microsoft 365] Failed to update license License updated interrupted: Paid license is not installed.
This form is only for KB Feedback/Suggestions, if you need help with the software open a support case