How To Fix FP040 - External number assignment (sending co.code) and internal not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: FP - Invoice Parking

• Message number: 040

• Message text: External number assignment (sending co.code) and internal not possible

What causes this issue?

It is not possible for internal number assignment to be defined for the
sending company code and external number assignment for the target
company code since the parked document is always only generated in the
sending company code within preliminary posting.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FP040 - External number assignment (sending co.code) and internal not possible ?

  The SAP error message FP040, which states "External number assignment (sending company code) and internal not possible," typically occurs in the context of financial document processing, particularly when dealing with document numbers in SAP. This error indicates a conflict between the number assignment methods configured for the company code in question.
  
  Cause:
  
  Number Assignment Configuration: The company code is set up to use external number assignment, but the system is trying to assign an internal number. This can happen if the document type or the transaction is configured incorrectly.
  Document Type Settings: The document type being used may be configured to use internal number assignment, while the company code is set to use external number assignment.
  Transaction Code: The transaction being executed may not be compatible with the number assignment settings of the company code.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Look for the number range object related to the