ACU6
Explanation
A request to DFHRTSU to prepare the surrogate TCTTE for syncpoint gave an unexpected response and reason code. The response and reason code are included in DFHRTSU's parameter list which is printed in the exception trace.
System action
The task is abnormally terminated with a transaction dump and an exception trace entry.
User response
If you need further assistance from IBM to resolve this problem, see IBM problem support for guidance on how to proceed.