KB Article #179759
Error during Service Pack installation: A13UCOPA: return code 12
Problem
JOB A13UCOPA ended with a RC=12
SP installation
Messages:
JOB31740 -GNPAX S03PAX 12
End of process with return code : 12
Resolution
Verify there is no restriction with the UserID used to apply the Service Pack. (USS access / OMVS segment...)
The /tmp/ directory must be accessible and with enough space.