How To Fix 2C018 - Internal number assignment error &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 2C - Customizing Char. Value Assignment

• Message number: 018

• Message text: Internal number assignment error &1 &2

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

An error occurred assigning an internal number to object &V1&, number
range &V2&.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 2C018 - Internal number assignment error &1 &2 ?

  The SAP error message 2C018 with the description "Internal number assignment error &1 &2" typically indicates an issue related to the internal number assignment for a specific object or document in the SAP system. This error can occur in various contexts, such as when creating or processing documents, and it usually points to a problem with the number range configuration.
  Causes:
  
  Number Range Configuration: The number range for the object you are trying to create or process may not be properly defined or may have been exhausted.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the number range.
  Custom Code Issues: If there are custom developments or enhancements, they may not be handling number assignments correctly.
  System Configuration: There may be inconsistencies in the configuration of the number range objects in the system.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction SNRO (Number Range Objects) and check the configuration for the relevant number range object.
  Ensure that the number range is defined correctly and that there are available numbers in the range.
  
  
  
  Adjust Number Range:
  
  If the number range is exhausted, you may need to extend it. This can be done in the same SNRO transaction by adjusting the upper limit of the number range.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to create or modify the object associated with the number range.
  
  
  
  Check for Custom Code:
  
  If there are custom developments, review the code to ensure that it is correctly handling number assignments and not causing conflicts.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  System Logs:
  
  Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SNRO (Number Range Objects), SLG1 (Application Log), SE11 (Data Dictionary), SE37 (Function Module).
  Documentation: Review SAP documentation related to number range management for more detailed guidance on configuration and troubleshooting.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the error message 2C018 in your SAP system.