How To Fix UX289 - External number must be entered for internal number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: UX - TR: Business Partner and Loan Conversion

• Message number: 289

• Message text: External number must be entered for internal number assignment

What causes this issue?

You want to transfer a record designated for internal number
assignment. No value was transferred for the field EXTPARTNR. This
means that there would be no way of finding this record in the system,
since the link to the external number that is known by the user would
be missing.

System Response

The transfer is rejected.

How to fix this error?

Transfer the external number for this record.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UX289 - External number must be entered for internal number assignment ?

  The SAP error message UX289, which states "External number must be entered for internal number assignment," typically occurs when you are trying to create or manage an object in SAP that requires an external number assignment, but the system is expecting an internal number assignment instead. This can happen in various contexts, such as when creating documents, master data, or other entities that have specific number assignment configurations.
  Cause:
  
  Number Range Configuration: The error often arises due to the configuration of number ranges in the system. If the object you are trying to create is set to use an external number range, you must provide an external number. If you do not provide one, or if the system is set to use an internal number range, this error will occur.
  Incorrect Settings: The settings in the transaction or the configuration of the number range may not align with what you are trying to do. For example, if the system is configured to use external number assignment but you are not providing an external number, this will trigger the error.
  User Authorization: Sometimes, the user may not have the necessary authorizations to create or modify the object, leading to unexpected behavior.
  
  Solution:
  
  Provide an External Number: If the system is configured to use an external number range, ensure that you enter a valid external number when prompted. This number should be within the defined range for that object.
  Check Number Range Configuration: 
  
  Go to the transaction code SNRO (Number Range Objects) and check the configuration for the relevant object. Ensure that the number range is set up correctly for external or internal assignment as needed.
  If you need to change the configuration, you may need to consult with your SAP Basis or configuration team.
  
  
  Review Transaction Settings: Ensure that the transaction you are using is set up correctly. Sometimes, specific transactions may have settings that dictate whether to use internal or external number assignment.
  User Authorizations: Verify that you have the necessary authorizations to perform the action you are attempting. If not, contact your SAP security team to get the required permissions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SNRO (Number Range Objects) and OBA7 (Manage Number Ranges) to check and manage number range settings.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message. You can search for UX289 in the SAP Support Portal.
  Documentation: Review SAP documentation related to number range management for a deeper understanding of how number assignments work in your specific context.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.