DWW821I date time THE SYSTEM LOGGER RETURNED AN ERROR DURING IXGCONN CONNECT FOR LOG STREAM logstream. SOME DATA PREVIOUSLY WRITTEN TO THIS LOG STREAM HAS BEEN LOST. SYSTEM LOGGER RETURN CODE rc REASON CODE rsnc

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CICS VR has detected an error while attempting to access a log stream. Some of the data written to this log stream has been permanently lost.

In the message text:
date
The current date.
time
The current time.
logstream
The name of the log stream.
rc
The system logger return code.
rsnc
The system logger reason code.

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The log stream is made unavailable on this system.

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Take new backups of all the data sets that use this log stream as soon as possible to eliminate the need to use the log stream for forward recovery. Delete the log stream and redefine it as a forward recovery log stream.

Use the system logger return and reason codes to further diagnose the problem. The system logger return and reason codes are defined in the z/OS MVS Programming: Authorized Assembler Services Reference EDT-IXG under the IXGCONN macro topic.