How To Fix B0399 - Customer and CBP number ranges overlap: No transfer of customer number

SAP Error Message - Details

• Message type: E = Error

• Message class: B0 - Business Partner General

• Message number: 399

• Message text: Customer and CBP number ranges overlap: No transfer of customer number

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B0399 - Customer and CBP number ranges overlap: No transfer of customer number ?

  The SAP error message B0399 indicates that there is an overlap between the customer number ranges for the Customer (C) and the Central Business Partner (CBP) in the system. This typically occurs when the number ranges assigned to customers and business partners are not properly configured, leading to potential conflicts when trying to create or transfer customer data.
  Cause:
  
  Overlapping Number Ranges: The customer number range and the business partner number range are configured in such a way that they share some common numbers. For example, if both the customer and business partner number ranges include the number 1000, this will trigger the error.
  Configuration Issues: The configuration settings in the SAP system for number ranges may not have been set up correctly, leading to overlaps.
  Data Migration or Integration Issues: If data is being migrated from another system or integrated from different sources, it may lead to conflicts in number ranges.
  
  Solution:
  
  
  Check Number Ranges: 
  
  Go to the transaction code SNRO (Number Range Objects) and check the number ranges for both customers and business partners.
  Ensure that the ranges do not overlap. Adjust the ranges if necessary to ensure they are distinct.
  
  
  
  Adjust Configuration:
  
  If you have access, navigate to the configuration settings for customer and business partner number ranges. This can typically be done through the following paths:
  
  For Customers: SPRO -> Financial Accounting -> Accounts Receivable and Accounts Payable -> Customer Accounts -> Master Data -> Define Number Ranges for Customer Accounts.
  For Business Partners: SPRO -> Cross-Application Components -> Master Data Synchronization -> Define Number Ranges for Business Partners.
  
  
  Modify the number ranges to ensure they do not overlap.
  
  
  
  Testing: After making changes, test the creation or transfer of customer data again to ensure that the error has been resolved.
  
  
  Consult Documentation: If you are unsure about how to change the number ranges or if you need to maintain specific configurations, consult the SAP documentation or reach out to your SAP Basis or functional team for assistance.
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO - Number Range Objects
  SPRO - Customizing Implementation Guide
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on number range configuration.
  User Roles: Ensure that you have the necessary authorizations to make changes to number ranges in the system.
  
  By following these steps, you should be able to resolve the B0399 error and ensure that customer and business partner number ranges are properly configured without overlaps.