CQM1254W INTERVAL_MIDNIGHT (z) value differs from Group INTERVAL_MIDNIGHT (x)
INTERVAL_MIDNIGHT(z) is the INTERVAL_MIDNIGHT value from the CQMPARMS file. INTERVAL_MIDNIGHT(x) is the QM_GROUP INTERVAL_MIDNIGHT value.
No action is required. However, if you would like to prevent this message from being issued in the future, you can change the INTERVAL_MIDNIGHT value in the CQMPARMS dataset for this CQM started task to match the INTERVAL_MIDNIGHT value in the message.