The specified External Time Reference (ETR) port is not working. ETR is the MVS™ generic name for the IBM® Sysplex Timer (9037) or equivalent.
The system continues processing. The system records the error in the logrec data set.
Otherwise, contact 9037 hardware support. Note that the same event might occur on more than one of the processors in a sysplex.
Timer supervision
IEATPORT
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