During an IPL, the CAIRIM task received a CCSR010E message indicating a S878 failure. The task eventually abended with a SA78 Reason Code 00000004

Document ID : KB000008597
Last Modified Date : 14/02/2018
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Issue:

A CAIRIM S878 can precede a task abend with COMPLETION CODE SA78 REASON CODE 00000004.

Environment:
z/OS
Cause:

The specified REGION size of 524K for CAS9/CAiRIM execution was too small.  The storage request from (IBM) OPEN processing resulted in an operating system getmain failure.

Resolution:

 Increase the REGION size on the EXEC Card of the CAS9 proc.  Although the default REGION as distributed is 2M, specifying REGION=0M resolved this problem. 

Additional Information:

https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.1.0/com.ibm.zos.v2r1.ieae100/regsize.htm