How To Fix NR091 - The year of an interval cannot be changed.

NR091 - Overview

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 091

• Message text: The year of an interval cannot be changed.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NR091 - The year of an interval cannot be changed. ?

  The SAP error message NR091, "The year of an interval cannot be changed," typically occurs in the context of managing number ranges in SAP. This error indicates that there is an attempt to modify the year of a number range interval that is not allowed due to system constraints.
  
  Cause:
  
  Number Range Intervals: In SAP, number ranges are defined for various objects (like documents, invoices, etc.) and are often set up with specific intervals that include a year. Once a number range is created and used, changing the year of that interval is restricted to maintain data integrity.
  Usage of Number Ranges: If the number range has already been used (i.e., documents have been created using that number range), the system prevents changes to the year to avoid inconsistencies in document numbering.
  Configuration Settings: The configuration settings for number ranges may not allow changes to the year once the number range is active.
  
  
  Solution:
  
  Check Number