Memory Based Planner - Ends in Error

Hello ,

I am receiving the below MBP error as part of the supply plan run in ASCP. if I run again sometimes this MBP runs sucessfuly. Please let me know if there is a resolution or root cause for this issue/any suggestion to troubleshooting is appreciated.

Thank you!

Ray

value used for ROWS parameter changed from 1000 to 167
Record 5727295: Rejected - Error on table "MSC"."MSC_FULL_PEGGING#".
ORA-00001: unique constraint (MSC.MSC_FULL_PEGGING_U1) violated


MAXIMUM ERROR COUNT EXCEEDED - Above statistics reflect partial run.

Table "MSC"."MSC_FULL_PEGGING#":
  5727294 Rows successfully loaded.
  1 Row not loaded due to data errors.
  0 Rows not loaded because all WHEN clauses were failed.
  0 Rows not loaded because all fields were null.


Space allocated for bind array:                 997658 bytes(167 rows)
Read   buffer bytes: 1048576

Total logical records skipped: