Message Descriptions › Messages 4500- 4599 › 4521
4521
NSMSVOL= AND NSMSUNIT= HAVE TO BE SPECIFIED TOGETHER.
Reason:
Both parameters NSMSVOL= and NSMSUNIT= are required, but only one was specified.
Action:
Enter parameters NSMSVOL= and NSMSUNIT= with appropriate values and resubmit the JCL.