How To Fix B0307 - The 'copy customer number' flag is not set

SAP Error Message - Details

• Message type: E = Error

• Message class: B0 - Business Partner General

• Message number: 307

• Message text: The 'copy customer number' flag is not set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B0307 - The 'copy customer number' flag is not set ?

  The SAP error message B0307, which states "The 'copy customer number' flag is not set," typically occurs in the context of customer master data management. This error indicates that the system is trying to copy a customer number from one customer record to another, but the necessary flag to allow this operation is not activated.
  Cause:
  The primary cause of this error is that the "copy customer number" flag is not enabled in the configuration settings for customer master data. This flag is essential when you want to copy customer data from one record to another, particularly in scenarios like creating a new customer based on an existing one.
  Solution:
  To resolve this error, you need to enable the "copy customer number" flag in the relevant configuration settings. Here are the steps to do this:
  
  
  Access the SAP Customizing Implementation Guide (IMG):
  
  Use transaction code SPRO to access the SAP Customizing Implementation Guide.
  
  
  
  Navigate to Customer Master Data Settings:
  
  Go to Logistics > Sales and Distribution > Master Data > Business Partners > Customer > Customer Master > Define Customer Account Groups.
  
  
  
  Select the Relevant Account Group:
  
  Find the account group for which you want to enable the "copy customer number" flag.
  
  
  
  Edit the Account Group Settings:
  
  In the account group settings, look for the option related to "copy customer number" or similar wording. Ensure that this option is checked or enabled.
  
  
  
  Save Your Changes:
  
  After making the necessary changes, save your configuration.
  
  
  
  Test the Changes:
  
  Try to perform the operation that previously resulted in the B0307 error to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may encounter this error while using transaction codes like XD01 (Create Customer), XD02 (Change Customer), or XD03 (Display Customer).
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to customer master data and account group settings.
  Documentation: Refer to SAP documentation or help files for more detailed information on customer master data management and configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation, as there could be additional settings or customizations affecting this behavior.