How To Fix ACM139 - A related AC-Condition already exists and must not be inserted

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM - Message-Class for all ACM functions/exceptions

• Message number: 139

• Message text: A related AC-Condition already exists and must not be inserted

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 ACM139 - A related AC-Condition already exists and must not be inserted ?

  The SAP error message ACM139, which states "A related AC-Condition already exists and must not be inserted," typically occurs in the context of Asset Accounting (FI-AA) when you are trying to create or modify an asset condition that already exists in the system. This error is related to the management of asset conditions, which are used to track various attributes or statuses of an asset.
  
  Cause:
  The error is triggered when:
  
  You attempt to create a new asset condition that is already present in the system for the same asset.
  There may be a duplicate entry in the database for the asset condition you are trying to insert.
  The system is enforcing a unique constraint on the asset conditions, preventing the insertion of duplicate records.
  
  
  Solution:
  To resolve the ACM139 error, you can take the following steps:
  
  
  Check Existing Conditions:
  
  Navigate to the asset in question and review the existing conditions. You can do this through transaction codes like