The IDCAMS utility returned an error for the indicated VSAM dataset. The error code is usually the last three digits of the IDCAMS error message. For example, a return code of 12 indicates that message IDC3012I was issued by IDCAMS. See the z/OS DFSMS Access Method Services Commands for more information on IDCAMS. See the z/OS MVS System Messages, Vol 6 (GOS-IEA) for a description of the IDC messages.