'%.*ls' is not a backup device. Check sysdevices.
You have attempted to use a logical device that is not a backup device.
Either define the device using sp_addumpdevice, or refer to the physical device directly by specifying the TAPE = or DISK = syntax of the BACKUP statement.
Backing Up and Restoring Databases | sp_addumpdevice |
Errors 3000-3999 | sysdevices |
Error 3206 | Troubleshooting Backing Up and Restoring |