How To Fix AU026 - You cannot specify main asset number with internal number assignment

AU026 - Overview

• Message type: E = Error

• Message class: AU - FI-AA utility program error messages

• Message number: 026

• Message text: You cannot specify main asset number with internal number assignment

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 AU026 - You cannot specify main asset number with internal number assignment ?

  The SAP error message AU026 ("You cannot specify main asset number with internal number assignment") typically occurs in the Asset Accounting (FI-AA) module when there is an attempt to manually assign a main asset number while the system is set to use internal number assignment for asset numbers.
  
  Cause:
  The error arises because:
  
  The asset master record is configured to use internal number assignment, which means that the system automatically generates asset numbers.
  When trying to create or modify an asset, the user is attempting to specify a main asset number manually, which is not allowed under the internal number assignment setting.
  
  
  Solution:
  To resolve this error, you can take one of the following approaches:
  
  
  Use Internal Number Assignment:
  
  If the asset is set to use internal number assignment, do not specify a main asset number. Allow the system to generate the asset number automatically.
  
  
  
  Change to External Number Assignment:
  
  If you need to specify a main asset number, you