How To Fix FLBP320 - External number assignment: Enter the business partner number

SAP Error Message - Details

• Message type: E = Error

• Message class: FLBP - Business Partner: Customer/Vendor Messages

• Message number: 320

• Message text: External number assignment: Enter the business partner number

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FLBP320 - External number assignment: Enter the business partner number ?

  The SAP error message FLBP320, which states "External number assignment: Enter the business partner number," typically occurs when you are trying to create or manage a business partner in the SAP system, but the system requires a business partner number to proceed. This error is often related to the configuration of number ranges for business partners.
  Cause:
  
  Missing Business Partner Number: The most straightforward cause is that the user did not enter a business partner number when it was required.
  Number Range Configuration: The number range for business partners may not be properly configured, or the system may be set to use external number assignment, which requires the user to manually enter a number.
  Authorization Issues: The user may not have the necessary authorizations to create or manage business partners, leading to incomplete data entry.
  System Settings: The system settings may not be aligned with the business processes, leading to confusion about whether to use internal or external number assignment.
  
  Solution:
  
  Enter Business Partner Number: If the system is set to require an external number, ensure that you enter a valid business partner number in the appropriate field.
  Check Number Range Configuration:
  
  Go to the transaction code BP (Business Partner).
  Navigate to the relevant settings for number ranges (usually found in the customizing settings under SPRO).
  Ensure that the number range for business partners is correctly defined and active.
  
  
  Review User Authorizations: Check if the user has the necessary authorizations to create or manage business partners. This can be done through transaction SU53 to analyze authorization issues.
  Consult with SAP Basis or Configuration Team: If the issue persists, it may be necessary to consult with your SAP Basis or configuration team to ensure that the system settings align with your business processes.
  
  Related Information:
  
  Transaction Codes: 
  
  BP: Business Partner Maintenance
  SPRO: Customizing Implementation Guide
  
  
  Documentation: Refer to SAP Help documentation for Business Partner configuration and number range management.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to business partner number assignment.
  
  By following these steps, you should be able to resolve the FLBP320 error and successfully manage business partner entries in your SAP system.