How To Fix CMD_API109 - Customer &1, sales area &2: Partner &3, role &4 entered multiple times

SAP Error Message - Details

• Message type: E = Error

• Message class: CMD_API - Customer APIs

• Message number: 109

• Message text: Customer &1, sales area &2: Partner &3, role &4 entered multiple times

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 CMD_API109 - Customer &1, sales area &2: Partner &3, role &4 entered multiple times ?

  The SAP error message CMD_API109 indicates that there is a duplicate entry for a partner in a specific sales area for a customer. This typically occurs when the same partner function is assigned multiple times for the same customer in the same sales area.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Partner Assignment: The same partner (e.g., a specific role like 'Sold-to Party', 'Ship-to Party', etc.) has been assigned more than once for the same customer in the same sales area.
  Data Entry Error: During the creation or modification of customer master data, the user may have inadvertently entered the same partner multiple times.
  Data Migration Issues: If data was migrated from another system or through a batch upload, it may have resulted in duplicate entries.
  
  Solution:
  To resolve the CMD_API109 error, you can follow these steps:
  
  
  Check Partner Assignments:
  
  Go to the customer master data in the relevant transaction (e.g., XD02 for changing customer data).
  Navigate to the "Sales Area Data" section and check the partner assignments.
  Look for any duplicate entries for the same partner function.
  
  
  
  Remove Duplicates:
  
  If you find duplicate partner assignments, remove the unnecessary duplicates. Ensure that each partner function is assigned only once for the customer in the specified sales area.
  
  
  
  Validate Data:
  
  After making changes, validate the customer data to ensure that there are no remaining duplicates.
  You can use transaction XD01 to create a new customer or XD02 to modify an existing one, ensuring that you do not create duplicates.
  
  
  
  Data Migration Review:
  
  If the issue arose from data migration, review the migration process to ensure that it includes checks for duplicates before data is loaded into the system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on managing customer master data and partner functions.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  XD01 - Create Customer (General Data)
  XD02 - Change Customer (General Data)
  XD03 - Display Customer (General Data)
  
  
  
  Partner Functions: Understand the different partner functions available in SAP and their significance in the sales process.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to partner assignments or provide additional troubleshooting steps.
  
  
  By following these steps, you should be able to resolve the CMD_API109 error and ensure that your customer master data is correctly configured without duplicate partner assignments.