How To Fix WAB191 - An internal error occurred during number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: WAB - Messages Settlement Management

• Message number: 191

• Message text: An internal error occurred during number assignment

What causes this issue?

An error occurred during number assignment in output control. The old
number &V1& could not be replaced by the new number &V2&.

System Response

The system cannot replace the document number.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Contact SAP by reporting an incident. The error is related to function
module &V3&. Document &V2& has settlement document type &V4&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WAB191 - An internal error occurred during number assignment ?

  The SAP error message WAB191, which states "An internal error occurred during number assignment," typically occurs when there is an issue with the number range object in SAP. This can happen in various modules, such as when creating documents, orders, or other entities that require unique number assignments.
  Causes:
  
  Number Range Issues: The number range object may not be properly defined or may have been exhausted. This can happen if the number range has been fully utilized or if there are gaps in the number range.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the number range.
  Configuration Errors: There may be configuration errors in the number range settings or in the related customizing settings.
  Database Issues: There could be underlying database issues that are preventing the number assignment from being processed correctly.
  Internal SAP Errors: Sometimes, this error can be caused by internal inconsistencies or bugs within the SAP system.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction code 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.
  
  
  
  Extend 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.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the number range. This can be checked in transaction SU53 or by reviewing the user's role assignments.
  
  
  
  Review Customizing Settings:
  
  Check the customizing settings related to the specific module where the error occurred. Ensure that all necessary configurations are in place.
  
  
  
  Check for SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error. You can search for notes in the SAP Support Portal.
  
  
  
  System Logs:
  
  Review system logs (transaction SM21) and short dumps (transaction ST22) for any additional information that may help diagnose 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
  SU53 - Authorization Check
  SM21 - System Log
  ST22 - Dump Analysis
  
  
  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 cause of the WAB191 error in your SAP system.