CQM2602E OPEN FAILED FOR VSAM DATASET dsn RC=`rc` ACBERFLG=`flag` RTN=`routine`

Explanation

This message reports errors encountered during the execution of an OPEN macro instruction against a VSAM data set.

User response

To further diagnose and resolve the problem using the return code, flag (reason code), and routine (name of program that issued the message) listed in the message, refer to the z/OS® V1R1.0 DFSMS/DFP Diagnosis Reference (GY27-7618):

https://www-01.ibm.com/support/docview.wss?uid=pub1gy27761801