Media Manager status code 50
Message: invalid change-entry request
Explanation: An invalid request to change volume information was sent to vmd on the EMM server.
Recommended Action:
Examine the command output, debug logs, and system logs for a more detailed message on the error.
See "Setting Media Manager debug logging to a higher level" in the NetBackup Logging Reference Guide.
Check the usage statement for expected usage and compare with the parameters being sent to start the new process.