How To Fix WN728 - Only same numbers between business partner and customer/supplier allowed

WN728 - Overview

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 728

• Message text: Only same numbers between business partner and customer/supplier allowed

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN728 - Only same numbers between business partner and customer/supplier allowed ?

  The SAP error message WN728 ("Only same numbers between business partner and customer/supplier allowed") typically occurs when there is a mismatch between the Business Partner (BP) number and the Customer or Supplier number in the SAP system. This error is common in scenarios where the Business Partner functionality is integrated with the Customer and Supplier master data.
  
  Cause:
  
  Mismatch in Number Ranges: The Business Partner number and the Customer/Supplier number are expected to be the same, but they may have been created with different number ranges or formats.
  Incorrect Configuration: The configuration settings in the system may not be aligned, leading to discrepancies between the Business Partner and the associated Customer/Supplier records.
  Data Migration Issues: If data was migrated from another system, there may have been errors in how the Business Partner and Customer/Supplier numbers were mapped.
  Manual Entry Errors: During manual entry, the user may have inadvertently created a Business Partner with a different