How To Fix WRF_REF127 - List contains plant &1 already

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 127

• Message text: List contains plant &1 already

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_REF127 - List contains plant &1 already ?

  The SAP error message WRF_REF127, which states "List contains plant &1 already," typically occurs in the context of managing plant-specific data in SAP, particularly in the areas of materials management or production planning. This error indicates that there is an attempt to add a plant to a list where it already exists, leading to a duplication issue.
  Cause:
  The error is caused by trying to include a plant in a configuration or list where that plant has already been defined. This can happen in various scenarios, such as:
  
  When creating or modifying material master records.
  When assigning plants to a specific configuration or planning scenario.
  When trying to maintain data in transaction codes related to material management (like MM01, MM02, etc.).
  
  Solution:
  To resolve the WRF_REF127 error, you can follow these steps:
  
  
  Check Existing Entries: 
  
  Review the list or configuration where you are trying to add the plant. Ensure that the plant is not already included. You can do this by navigating to the relevant transaction and checking the existing entries.
  
  
  
  Remove Duplicates:
  
  If you find that the plant is already listed, you can either remove it from the list or modify your input to avoid duplication.
  
  
  
  Correct Data Entry:
  
  Ensure that you are entering the correct plant code and that there are no typographical errors. Sometimes, similar plant codes can lead to confusion.
  
  
  
  Use Transaction Codes:
  
  If you are using a specific transaction code (like MM01, MM02, etc.), ensure that you are following the correct steps for adding or modifying plants.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for the specific transaction you are using to understand the requirements and limitations regarding plant assignments.
  
  
  
  Check Authorizations:
  
  Ensure that you have the necessary authorizations to make changes to the plant data. Lack of proper permissions can sometimes lead to unexpected errors.
  
  
  
  Contact Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and others that may be involved in plant management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Manuals: Review user manuals or training materials specific to your organization’s SAP implementation for guidance on managing plant data.
  
  By following these steps, you should be able to resolve the WRF_REF127 error and successfully manage your plant-related data in SAP.