DFSHAV70

APPC/IMS issues message DFS1959E when a severe internal error occurs. If you receive this message, contact IBM®® Software Support with the module number and reason code supplied in the message. Reason codes for message DFSHAV70 are given.

RC
Description
3709
Unknown return code from z/OS® clean address space call.
3710
Unknown return code from z/OS unidentify call.
3711
IXCLEAVE unsuccessful.