CASXO0006S Resource Manager for resource XAT resource name May have heuristically completed due to a failure

The Resource manager for the XAT resource reported that due to a failure the work done on behalf of the transaction may have been heuristically completed.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
The state of the transaction is undefined.
Resolution:
Contact your administrator for the resource.
Module:
dfhexa
Destination:
Terminal.