ERROR: Check if invoice already entered under accounting doc. no. 51XXXXXXX

Error Message

Check if invoice already entered under accounting doc. no. 51XXXXXXX

Screenshot

Root Cause

Invoice reference ID already used in another invoice in Murphy SAP system.  Hence, system rejected this invoice due to duplicate check validation. This is a duplicate invoice rejection.

Solution / Action Required

1. Supplier must confirm that the invoice has not already been submitted. 
2. Contact Murphy by submitting a ticket if invoice is not a duplicate.