Return code: 12 SYNCH4
Please try to compile the program, once you have made any changes for the copybook inside the same Package.For example: Package ID: PAG200014
inside the package there is a cobol program: COB123
also there is a copybook: CPY123
if you have made any changes to the copybook, then try to audit the package the it will abend showing return code: 12
So please try to compile the program then Audit the package to solve the error.