CAY6379E error message after adding the latest PTF maintenance. .

Document ID : KB000124505
Last Modified Date : 14/01/2019
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Question:
Sample JCL statement:
//SYSPRINT DD SUBSYS=(TST,'ID=Z123456789')

After applying CA JCLCheck maintenance, error message CAY6379E SUBSYSTEM 'TST' IS UNAVAILABLE is issued.
Prior to applying the JCLCheck maintenance, no error message is issued.
Environment:
CA JCLCheck release 12.0
Answer:
Apar RO98784 allows for error message CAY6379E to be issued when the JCL contains an invalid SUBSYS name on the DD statement.

CAY6379E
SUBSYSTEM subsystem name IS UNAVAILABLE

Reason:
The specified subsystem name was not found in the subsystem's name table.

Action:
Correct the JCL and use a valid subsystem.
Additional Information:
CA JCLCheck dynamically validates the subsystem name if the SUBSYS option is coded in the JCL.