Hi All - we are getting below error

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SARPAGE 5
IKJ56644I NO VALID TSO USERID, DEFAULT USER ATTRIBUTES USED
READY
DSN SYSTEM(ADB2)
DSN
RUN PROG(AAA) PLAN(AAB) LIB('AUR.DSNLOAD')
TBZ -S')
IKJ56641I DSN ENDED DUE TO ERROR+
IKJ56641I USER ABEND CODE 4038 REASON CODE 00000001
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The error reason code says that

CEE0802C Heap storage control information was damaged.

Please advise how to fix this?will region parameter 8M will help?