How To Fix AAPO161 - Accounting transaction category &1 is not defined.

AAPO161 - Overview

• Message type: E = Error

• Message class: AAPO - Asset Accounting - Posting

• Message number: 161

• Message text: Accounting transaction category &1 is not defined.

What causes this issue?

Accounting transaction category &V1& is not defined in Customizing for
Asset Accounting.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Define transaction category &v1& in FI-AA Customizing.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

AAPO161 - Details

• The SAP error message AAPO161, which states "Accounting transaction category &1 is not defined," typically occurs in the context of Asset Accounting (FI-AA) when the system encounters an accounting transaction category that has not been configured or defined in the system.
  
  Cause:
  
  Missing Configuration: The accounting transaction category referenced in the error message is not defined in the system. This could be due to a missing entry in the configuration settings for Asset Accounting.
  Incorrect Transaction Type: The transaction type being used may not be valid or may not correspond to a defined accounting transaction category.
  Custom Development: If there are custom developments or enhancements in the system, they may be referencing an undefined transaction category.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Financial Accounting (New) > Asset Accounting > Integration > Define Accounting Transaction Categories.
  Verify if the accounting transaction category in question is defined. If it is missing, you will need