IM433 - Number range does not allow external number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 433

• Message text: Number range does not allow external number assignment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IM433 - Number range does not allow external number assignment ?

  The SAP error message IM433 ("Number range does not allow external number assignment") typically occurs when you are trying to create or assign a number to an object (like a material document, invoice, etc.) using an external number range, but the configuration of the number range does not permit external assignments.
  Cause:
  
  Number Range Configuration: The number range for the object you are trying to create is set to "Internal" only, meaning that it does not allow external number assignments.
  Incorrect Number Range Assignment: The document type or object you are working with may be incorrectly configured to use an internal number range when you are trying to assign an external number.
  User Authorization: In some cases, the user may not have the necessary authorizations to use external number ranges.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Find the relevant number range object for the document type you are working with.
  Check the settings for the number range. If it is set to "Internal," you will need to change it to allow external number assignments if that is your requirement.
  
  
  
  Change Document Type Settings:
  
  If you are working with a specific document type, check the configuration for that document type in the relevant customizing transaction (e.g., for invoices, you might check in SPRO under Financial Accounting).
  Ensure that the document type is set to allow external number assignment if that is what you need.
  
  
  
  Use Internal Number Assignment:
  
  If the number range is configured for internal assignment, you can either change your process to use internal number assignment or adjust the configuration to allow external assignments.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to use external number ranges. This can be checked in the user roles and profiles.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: To manage number range objects.
  SPRO: To access the SAP Reference IMG for configuration.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on number range management and configuration.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP Basis or functional team for assistance, as they may have more insights into the specific configuration of your SAP system.
  
  By following these steps, you should be able to identify the cause of the IM433 error and implement the necessary changes to resolve it.