Processing LINUXHOST Error: Failed to call RPC function 'FcIsExists': The user name or password is incorrect.

1) Stop the service:
# systemctl stop veeamservice
2) Make database backup:
# mv /var/lib/veeam/veeam_db.sqlite /var/lib/veeam/veeam_db.sqlite.bak
3) Start the service:
# systemctl start veeamservice
4) Wait a few minutes for the database to rebuild
5) Rescan machine in the protection group