AHL118I

Explanation
An error has occurred in the generalized trace
facility (GTF) module AHLTxxxx while attempting
to gather data for event yyy.
In the message
text: AHLTxxxx
Module in which error occurred.
yyy
Event for which GTF was gathering data when error occurred.
zzzzzzING
Specifies whether it is the tracing or the filtering which has
been disabled.  If filtering has been disabled, all events of type yyy will
be traced.

For module AHLTDIR, the error occurred while
attempting to save trace data for ABDUMP/SNAP or SVCDUMP.
In
the message text: zzzzzzING
Indicates ABDUMPing for ABDUMP/SNAP or SDUMPing for SVCDUMP.
yyy
Indicates TRT.

This message also indicates whether or not GTF's
attempt to take an SVC dump to record the error was successful.

System programmer response
Stop GTF.  Specify EXT mode, DEBUG=YES,
and the same trace options specified for GTF.  Enter the IPCS GTFTRACE
subcommand. The input for GTFTRACE is the trace data set.

Source
Generalized trace facility (GTF)

Module
AHLTDIR