- On the IBM side you may check:
This document contains a complete listing of releases, refreshes and fix packs (also known as PTFs) sorted by version for IBM Enterprise COBOL 5.x/6.1 for z/OS. We recommend installing the latest PTFs as they are cumulative (ie they contain all the APAR fixes made available for the product since it first shipped).
http://www-01.ibm.com/support/docview.wss?uid=swg27041164
2. On the Datacom side you may check:
If CA Datacom/DB 14.0, APAR #: RO79646, APAR #: RO71415
If CA Datacom/DB 15.0, APAR #: RO83077