All existing VTLs are deleted and other VTLs are configured on the backup server. When you attempt to add storage media according to the wizard guide, error information is displayed.
Modify the backup policy and choose available storage media.
The internal database of the NetBackup is not refreshed in time, which has 219 error information generated.
After the VTL is replaced, you need to refresh the NetBackup database and choose available storage media again.