How To Fix WRF_FOLUPART019 - Original material and follow-up/replacement material & are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_FOLUPART - Follow-Up/Replacement Material

• Message number: 019

• Message text: Original material and follow-up/replacement material & are identical

What causes this issue?

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

System Response

The system does not create any follow-up/replacement material
relationships in which the original material and the
follow-up/replacement material are identical.

How to fix this error?

Select different original and follow-up/replacement materials.

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 WRF_FOLUPART019 - Original material and follow-up/replacement material & are identical ?

  SAP Error Message:
  
  WRF_FOLUPART019
  
  Text: Original material and follow-up/replacement material & are identical.
  
  Cause:
  This error occurs when you try to assign a follow-up or replacement material that is exactly the same as the original material in a process where the system expects the follow-up material to be different. For example, in scenarios like material substitution, follow-up material assignment, or replacement material configuration, the system checks that the follow-up material is not identical to the original material to avoid circular references or redundant assignments.
  
  When does it typically occur?
  
  During configuration or master data maintenance where follow-up or replacement materials are defined.
  In processes like material determination, where a follow-up material is assigned to replace or follow the original material.
  In sales order processing or production where material substitution logic is applied.
  
  
  Solution:
  
  Check the material numbers: Verify that the follow-up or replacement material you are trying to assign is different from the original material.
  Correct the assignment: If the materials are the same, change the follow-up material to a different valid material.
  Review master data: Ensure that the material master or substitution rules are correctly maintained and do not contain identical material assignments.
  Check configuration: If this is part of a custom substitution or follow-up material determination, review the configuration or user-exits to ensure the logic prevents identical material assignments.
  
  
  Related Information:
  
  Material Determination (Material Substitution): SAP allows defining follow-up materials for substitution purposes. The system expects the follow-up material to be different to avoid infinite loops or redundant processing.
  Transaction Codes:  
  
  MM02 (Change Material Master)  
  V/40 (Material Determination)  
  C223 (Material Substitution)  
  
  
  Notes and Documentation:  
  
  SAP Notes related to material substitution and follow-up material errors.  
  Check SAP Help Portal for material determination and substitution configuration guides.
  
  
  
  
  Summary:
  The error WRF_FOLUPART019 is triggered because the system detected that the original material and the follow-up/replacement material are the same, which is not allowed. To fix it, assign a different follow-up material and ensure your substitution or follow-up material configuration is correct.