How To Fix CMS_OMS_BP_LNK006 - Business partner ID &1 is already assigned in partner function &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_OMS_BP_LNK - Business Partner Service Link

• Message number: 006

• Message text: Business partner ID &1 is already assigned in partner function &2

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 CMS_OMS_BP_LNK006 - Business partner ID &1 is already assigned in partner function &2 ?

  The SAP error message CMS_OMS_BP_LNK006 indicates that a business partner (BP) ID is already assigned to a specific partner function in the system. This typically occurs when you are trying to assign a business partner to a partner function that already has another business partner linked to it.
  Cause:
  
  Duplicate Assignment: The business partner ID you are trying to assign is already linked to the specified partner function.
  Incorrect Configuration: There may be a configuration issue where the same business partner is being assigned to multiple partner functions incorrectly.
  Data Entry Error: The user may have mistakenly attempted to assign the same business partner to the same partner function multiple times.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the relevant transaction in SAP (e.g., BP transaction) and check the existing assignments for the business partner ID in question.
  Verify which business partner is currently assigned to the partner function you are trying to use.
  
  
  
  Remove or Change Assignment:
  
  If the current assignment is not needed, you can remove the existing business partner from the partner function.
  Alternatively, if you need to keep the existing assignment, consider assigning a different business partner to the partner function you are working with.
  
  
  
  Review Partner Function Configuration:
  
  Ensure that the configuration for partner functions allows for the intended assignments. This may involve checking the customizing settings in the SAP system.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help resources for specific guidelines on managing business partner assignments and partner functions.
  
  
  
  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: You may use transaction codes like BP (Business Partner) to manage business partner assignments.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Customizing Settings: Review the customizing settings for business partners and partner functions in the SAP system to ensure they are set up correctly.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.