User attempted reconstructing from seeds after shrinking them for line cleanup. Pro did not complete the operation but did not error - just endless progress dialog box. User then cancelled the operation and is now unable to try again. The error message reads:

Edit operation failed.
Message: User session application lock in progress - operation not allowed.
Corresponding error messages from the service logs:

Restarting the service does not resolve this issue and the user is not able to proceed. Any ideas on what to try next?