How To Fix RU158 - Internal no. assignment for error record document: No. in critical area

SAP Error Message - Details

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 158

• Message text: Internal no. assignment for error record document: No. in critical area

What causes this issue?

The number assignment for number range object AFFW_NR in number
range "01" is in the critical range.

How to fix this error?

You can either increase the upper limit of the number range, or
or reset the number range. You should, however, make sure that the
same number is not assigned twice.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RU158 - Internal no. assignment for error record document: No. in critical area ?

  The SAP error message RU158, which states "Internal no. assignment for error record document: No. in critical area," typically occurs in the context of document processing, particularly when dealing with error records in the SAP system. This error indicates that there is an issue with the internal number assignment for a document that is being processed, and it is often related to the configuration of number ranges or the handling of error records.
  Causes:
  
  Number Range Configuration: The most common cause of this error is that the number range for the document type being processed is not properly configured or has been exhausted.
  Critical Area Issues: The error may also arise if the document is being processed in a critical area where number assignment rules are strict, and the system cannot assign a new number.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to create or modify documents in the specified area.
  System Bugs or Inconsistencies: There may be bugs or inconsistencies in the SAP system that lead to this error.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to the 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.
  If the number range is exhausted, you may need to extend it or create a new number range.
  
  
  
  Review Document Type Settings:
  
  Check the settings for the document type in the relevant configuration area (e.g., Financial Accounting, Materials Management).
  Ensure that the document type is correctly linked to the number range.
  
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to create or modify documents in the relevant area.
  Use transaction code SU53 to check for authorization issues after the error occurs.
  
  
  
  System Logs and Notes:
  
  Check the system logs (transaction code SLG1) for any additional error messages or warnings that may provide more context.
  Look for SAP Notes related to this error message in the SAP Support Portal, as there may be known issues or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO - Number Range Objects
  SLG1 - Application Log
  SU53 - Authorization Check
  
  
  Documentation: Review SAP documentation related to number range management and error handling in the specific module you are working with (e.g., FI, MM).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and resolve the RU158 error in your SAP system.