How To Fix B0305 - The 'external numbers' flag is not set

SAP Error Message - Details

• Message type: E = Error

• Message class: B0 - Business Partner General

• Message number: 305

• Message text: The 'external numbers' flag is not set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B0305 - The 'external numbers' flag is not set ?

  The SAP error message B0305, which states "The 'external numbers' flag is not set," typically occurs in the context of number range management in SAP. This error indicates that the system is trying to use an external number range for a document or transaction, but the configuration for that number range does not allow for external numbering.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Number Range Configuration: The number range object being used is configured to use internal numbering instead of external numbering. This means that the system is not set up to accept externally assigned numbers for that particular object.
  Document Type Settings: The document type associated with the transaction may not be configured to allow external numbers.
  User Input: The user may be attempting to enter an external number when the system is expecting an internal number.
  
  Solution:
  To resolve the B0305 error, you can take the following steps:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Find the relevant number range object that is causing the issue.
  Check the settings for the number range. Ensure that the "External" checkbox is selected if you want to allow external numbering.
  
  
  
  Adjust Document Type Settings:
  
  Go to transaction code OBA7 (Document Types).
  Check the settings for the document type related to the transaction. Ensure that it is configured to allow external numbers if that is your requirement.
  
  
  
  User Input Validation:
  
  Ensure that the user is entering the number in the correct format and that it is valid according to the number range settings.
  If the system is set to use internal numbers, instruct users not to enter external numbers.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or functional team for specific configurations related to your implementation.
  
  
  
  Related Information:
  
  Transaction Codes: SNRO (Number Range Objects), OBA7 (Document Types).
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to access and modify number range settings.
  
  If the issue persists after checking these configurations, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.