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

RU158 - Overview

• 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.

RU158 - Details

• 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