How To Fix >U523 - Number assignment for transfer has failed

>U523 - Overview

• Message type: E = Error

• Message class: >U -

• Message number: 523

• Message text: Number assignment for transfer has failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >U523 - Number assignment for transfer has failed ?

  The SAP error message "U523 Number assignment for transfer has failed" typically occurs in the context of number range management, particularly when dealing with document numbers or other identifiers that require unique assignment. This error can arise in various modules, such as Materials Management (MM), Sales and Distribution (SD), or Financial Accounting (FI), depending on the context in which the error is encountered.
  Causes:
  
  Exhausted Number Range: The number range defined for the specific document type may have been exhausted, meaning that all available numbers have been assigned.
  Incorrect Number Range Configuration: The number range may not be properly configured or may not be active for the document type you are trying to create.
  Authorization Issues: The user may not have the necessary authorizations to access or use the number range.
  System 
  Configuration Issues: There may be issues with the system configuration or settings that prevent the number assignment from occurring.
  Background Job Issues: If the