ADB5256I The SSID parameter that is passed to the program is not recognized as a DB2® subsystem name in a non-data sharing environment, or as a DB2 subsystem name for a member, group, or subgroup in a data sharing environment.

Explanation
The SSID parameter that is passed to the program does not match one of Db2® subsystem names, group
            attachment name or subgroup attachment names in the output from executing the Db2 command DIS GROUP DETAIL. The
            SSID problem might cause the job to fail.
System action
            Processing continues.

User response Optionally,  if the job fails, verify that the value
in the SSID parameter is correct.