How To Fix WRF_REF126 - Reference in item &1 already contains material &2/plant &3

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_REF - Messages from References for Materials Without History

• Message number: 126

• Message text: Reference in item &1 already contains material &2/plant &3

What causes this issue?

You have broken down a material grouping in order to get a list of
references. This list also contains the combination material &V2& and
plant &V3&, but this combination is already entered in item &V1&.

System Response

Each reference can be contained only once in a reference assignment.
Therefore this reference has not been added to the list again.

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 WRF_REF126 - Reference in item &1 already contains material &2/plant &3 ?

  The SAP error message WRF_REF126 indicates that there is an issue with the reference in a specific item of a document (such as a purchase order, sales order, or similar) where the material and plant combination already exists. This typically occurs in the context of materials management or sales and distribution processes.
  Cause:
  The error is triggered when you attempt to create or modify a reference item in a document that already contains a reference to the same material and plant combination. This can happen in scenarios such as:
  
  Trying to add a material to a document that is already linked to that material for the specified plant.
  Duplicate entries in the reference item list.
  Incorrect data entry or configuration in the system.
  
  Solution:
  To resolve the WRF_REF126 error, you can take the following steps:
  
  
  Check Existing References: Review the document (e.g., purchase order, sales order) to see if the material and plant combination already exists. If it does, you may need to modify the existing entry instead of creating a new one.
  
  
  Remove Duplicates: If you find that there are duplicate entries, remove the unnecessary ones to ensure that each material/plant combination is unique within the document.
  
  
  Correct Data Entry: Ensure that the data you are entering is correct and does not inadvertently create duplicates. Double-check the material number and plant code.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling reference items in your version of SAP.
  
  
  Check Configuration: If this error occurs frequently, it may be worth checking the configuration settings in the system to ensure that they are set up correctly to prevent such issues.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like ME21N (Create Purchase Order), VA01 (Create Sales Order), etc.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the document in question.
  
  By following these steps, you should be able to identify the cause of the WRF_REF126 error and implement a solution to resolve it.