How To Fix /BEV4/PLPEND023 - External customer number already assigned to internal customer: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /BEV4/PLPEND -

• Message number: 023

• Message text: External customer number already assigned to internal customer: &1

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 /BEV4/PLPEND023 - External customer number already assigned to internal customer: &1 ?

  The SAP error message /BEV4/PLPEND023 indicates that an external customer number is already assigned to an internal customer in the system. This typically occurs in scenarios where there is an attempt to create or process a customer record that conflicts with existing records.
  Cause:
  
  Duplicate Assignment: The external customer number you are trying to assign is already linked to another internal customer in the SAP system.
  Data Migration Issues: If data has been migrated from another system, there may be overlaps in customer numbers.
  Configuration Errors: Incorrect configuration in the customer master data settings may lead to this issue.
  
  Solution:
  
  
  Check Existing Customer Records:
  
  Use transaction codes like XD03 (Display Customer) or VD03 (Display Customer - Sales Area) to check if the external customer number is already assigned to an internal customer.
  If it is, you may need to either use a different external customer number or modify the existing customer record.
  
  
  
  Change External Customer Number:
  
  If the external customer number is not critical, consider using a different number that is not already assigned.
  
  
  
  Data Cleanup:
  
  If this issue arises from data migration, perform a cleanup of the customer records to ensure there are no duplicates.
  
  
  
  Consult with SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to customer master data to ensure that there are no rules or settings that might be causing this conflict.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like XD01 (Create Customer), XD02 (Change Customer), and XD03 (Display Customer) for managing customer records.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to customer master data management for best practices and guidelines.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.