Groove Error : You Cannot accept invitation from earlier Groove Versions.

“You Cannot accept invitation from earlier Groove Versions. Groove is configured to accept invitations to workspaces created in Groove version 2007 or later.”

If you are getting the above error while accepting the workspace invitations.
Don’t worry 😉
For some enhanced security reasons, the default settings for Groove 2007 to accept invitations only from the Version Groove 2007.

Click Options -> Preferences

Click Security Tab

Then you click “OK” for the warning Message.