The alternative logging task encountered an error when attempting to determine the end of the specified log file.
Alternative logging ignores APPEND processing and uses the next log file to begin logging data.
View the following PowerExchange log file for additional messages:
The alternative log files for the process
The PowerExchange log file
To correct the problem, follow the user response instructions for any messages you find in these logs.
If PowerExchange does not issue related error messages, see your operating system documentation for information about the error referenced in this message and take the corrective action that is specified.
On z/OS, you might need to review the JES log for the job to find the associated system messages.