How To Fix MA596 - Number range object &, number range &: no external number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 596

• Message text: Number range object &, number range &: no external number assignment

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA596 - Number range object &, number range &: no external number assignment ?

  The SAP error message MA596 indicates that there is an issue with the number range assignment for a specific number range object. This error typically occurs when you attempt to create or process a document (like a material document) that requires a number from a number range that is set to "internal" assignment, but the system is trying to assign an external number.
  Cause:
  
  Number Range Configuration: The number range object in question is configured to use internal number assignment, but the system is trying to assign an external number.
  Incorrect Document Type: The document type being used may not be configured correctly to allow for external number assignment.
  Missing Number Range: The number range for the specific object may not be defined or may not be active.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Find the relevant number range object (for example, MA for material documents).
  Check the configuration to see if it is set to "internal" or "external" assignment. If it needs to be external, you may need to change the configuration.
  
  
  
  Adjust Document Type Settings:
  
  Go to transaction code OMH1 (for material documents) or the relevant configuration transaction for the document type.
  Ensure that the document type is set up correctly to allow for external number assignment if that is required.
  
  
  
  Define or Activate Number Range:
  
  If the number range is missing or inactive, you can define a new number range or activate the existing one.
  Use transaction code SNRO to create or modify the number range.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the necessary authorizations to create or process documents with the specified number range.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or functional team for specific configurations related to your system.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SNRO: Number Range Objects
  OMH1: Document Type Configuration
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to number range assignments.
  Support: If the issue persists after checking the configurations, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to resolve the MA596 error and ensure that the number range assignment is configured correctly for your needs.