Sort processing during the daily DB2 'DAY065' step fails with a RC=U0999 and the following messages after an increase in the amount of DB2 data being processed.
WER999A - UNSUCCESSFUL SORT 0C4 S
ERROR: Sort did not complete successfully. See messages on the Job Console Log or //SYSOUT data set.
ERROR: Host sort cannot be used.
In the MICSDBx proc, increase the SORT= space and then restart in the DAY065 step.
For example, change