IAT1081 ERROR IN IATDMDKT - IATYISR POSSIBLY LOST

Component
JES3 (5752-SC1BA)
Issuing module
IATDMFR - FRR
Explanation
A software or hardware error occurred and caused the JES3 channel end routine (IATDMDKT) to abnormally end. The FRR routine IATDMFR was not able to recover from the error. Either the input/output service block (IOSB) or service request block (SRB) in IATYISR might be erroneous. The areas dumped are SQA, LPA, and CSA.
Associated problem data
Message IAT1801 is issued. For a description of message IAT1801, see z/OS JES3 Messages.