How To Fix VT161 - Internal and external number ranges may not be identical

VT161 - Overview

• Message type: E = Error

• Message class: VT - Vertriebstabellen

• Message number: 161

• Message text: Internal and external number ranges may not be identical

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 VT161 - Internal and external number ranges may not be identical ?

  The SAP error message VT161, which states "Internal and external number ranges may not be identical," typically occurs in the context of number range management in SAP, particularly when dealing with document numbers or other identifiers that require unique numbering.
  
  Cause:
  This error arises when there is a conflict between the internal and external number ranges defined for a particular object. In SAP, number ranges can be defined as either internal (automatically generated by the system) or external (manually assigned by the user). The system does not allow both internal and external number ranges to overlap or be identical, as this could lead to confusion and data integrity issues.
  
  Solution:
  To resolve the VT161 error, you need to ensure that the internal and external number ranges for the relevant object are distinct. Here are the steps to do this:
  
  
  Access Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Enter the relevant number range