CA Fast Unload execution IEF085I region unavailable error followed by S822 abend.

Document ID : KB000056551
Last Modified Date : 14/02/2018
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Introduction:

Executing a CA Fast Unload for DB2 for z/OS (PFU) job and reporting the
following errors:

IEF085I REGION UNAVAILABLE, ERROR CODE=20 
IEF187I S70N081N FAILED - SYSTEM ERROR IN INITIATOR 
IEF450I S70N081N STEP445 - ABEND=S822 U0000 REASON=00000014 

Instructions:
The step which failed due to insufficient region was coded as:

//STEP445 EXEC PGM=PTLDRIVM, 
// PARM='EP=UTLGLCTL/ssid', 
// REGION=16M

Recommendation would be to specify REGION=0M on step or JOBCARD if allowed.
REGION=0M is recommended and the REGION specification on the JOBCARD
will override the step REGION specification.  If REGION=0M is not allowed,
then specify a REGION larger than 16M or lower than the available
initiator REGION available such as REGION=8M.