How To Fix DNO004 - Number range does not allow external number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 004

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

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DNO004 - Number range does not allow external number assignment ?

  The SAP error message DNO004 indicates that the number range you are trying to use does not allow external number assignment. This typically occurs when you are attempting to create a document (like a purchase order, sales order, etc.) and the system is configured to use internal number assignment for that particular document type.
  Cause:
  
  Number Range Configuration: The number range for the document type is set to "Internal" rather than "External." This means that the system automatically generates the number for the document, and users cannot manually assign a number.
  Document Type Settings: The specific document type you are working with may have been configured to restrict external number assignment.
  User Authorization: In some cases, user roles and authorizations may restrict the ability to use external number assignment.
  
  Solution:
  To resolve the DNO004 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 for the document type you are working with.
  Check the settings to see if it is set to "Internal" or "External." If it is set to "Internal," you will need to change it to "External" if you want to allow external number assignment.
  
  
  
  Change Document Type Settings:
  
  Go to transaction code OBA7 (for document types) or the relevant configuration path in SPRO.
  Check the settings for the document type you are using and ensure that it allows external number assignment if that is your requirement.
  
  
  
  User Authorization:
  
  Ensure that your user role has the necessary authorizations to perform actions related to external number assignment. You may need to consult with your SAP security team.
  
  
  
  Use Internal Number Assignment:
  
  If external number assignment is not necessary, you can simply allow the system to generate the number automatically by using the internal number assignment.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: To manage number range objects.
  OBA7: To configure document types.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on number range management and document type configuration.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  By following these steps, you should be able to resolve the DNO004 error and configure the number range settings according to your business requirements.