How To Fix MEPO107 - You cannot change the document type, because a PO history exists

SAP Error Message - Details

• Message type: E = Error

• Message class: MEPO - New Purchase Order Dialog

• Message number: 107

• Message text: You cannot change the document type, because a PO history exists

What causes this issue?

You are processing a cross-company-code stock transport order. A
purchase order history already exists for the purchase order. Therefore
you cannot change the document type, as this would change the posting
logic.

System Response

The system resets the document type.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEPO107 - You cannot change the document type, because a PO history exists ?

  The SAP error message MEPO107 indicates that you are trying to change the document type of a Purchase Order (PO) that has a history, meaning that there are already transactions or activities associated with that PO. This could include goods receipts, invoice receipts, or other related documents that have been processed against the PO.
  
  Cause:
  The primary cause of this error is that the system prevents changes to the document type of a PO that has been used in transactions. This is a safeguard to maintain data integrity and ensure that all related documents remain consistent.
  
  Solution:
  To resolve this error, you have a few options:
  
  
  Create a New Purchase Order: If changing the document type is essential, consider creating a new PO with the desired document type. You can then reference the old PO for any necessary information.
  
  
  Use a Change Document: If the change is necessary and you have the appropriate authorizations, you may