How To Fix MMPUR_INTR_REQ008 - External Document number is referenced in another Purchase Requisition

MMPUR_INTR_REQ008 - Overview

• Message type: E = Error

• Message class: MMPUR_INTR_REQ - Message class for MMPUR Integration for PR

• Message number: 008

• Message text: External Document number is referenced in another Purchase Requisition

Self-Explanatory Message

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MMPUR_INTR_REQ008 - Details

• The SAP error message MMPUR_INTR_REQ008 indicates that the external document number you are trying to use in a purchase requisition (PR) is already referenced in another purchase requisition. This typically occurs when there is an attempt to create or modify a purchase requisition using an external document number that is already associated with an existing requisition.
  
  Cause:
  
  Duplicate External Document Number: The external document number you are trying to use is already linked to another purchase requisition in the system.
  Data Entry Error: There may have been a mistake in entering the external document number, leading to a conflict with an existing requisition.
  System Configuration: The system may be configured to prevent the reuse of external document numbers across different requisitions.
  
  
  Solution:
  
  
  Check Existing Purchase Requisitions: 
  
  Use transaction codes like ME53N (Display Purchase Requisition) to search for existing requisitions that may be using the same external document number.
  If you find a requisition with the same number,