After upgrading to Librarian 4.4 the nightly backup fails

Document ID : KB000101468
Last Modified Date : 14/06/2018
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Issue:
Last night I upgraded Librarian to V4.4. We have a job that was set up years ago to maintain one of our Librarian master files. It initializes an existing backup master file, backups the real master file, and then uses the backup to create a new version of the master file.

Last night the initialization step issued the message -
 *** ERROR *** MASTER FILE CANNOT BE INITIALIZED AS NOT NEW FILE  
and ended with a condition code of 8.

The backup worked fine.

The restore step ended with U2048 abend after issuing the message -
  *** ERROR *** MASTER FILE CAN NOT BE RESTORED BECAUSE IT HAS BEEN ACCESSED SINCE ITS INITIALIZATION
Cause:
There was a change made in Librarian that prevents initializing a Librarian Master file that contains data.
See  RI22618  
Resolution:
The job needs to be modified to first delete the backup file and allocate it new in the INIT step.