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