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

WAB191 - Overview

• 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