Creating a new backup security file using TSSMAINB results in a U1510 abend in program TSSMAINT

Document ID : KB000054013
Last Modified Date : 14/02/2018
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Problem:

When running TSSMAINB to allocate a new backup security file the program, TSSMAINT, abends with a U1510.

Cause:

The reason for a U1510 abend is because of an invalid control statement.

Resolution:

The most common problem is that the DD statement has DD //BACKUP.
It should be DD //secfile.