How To Fix FTR_AU019 - Instance of class &1 not unique; key &2 chosen

FTR_AU019 - Overview

• Message type: E = Error

• Message class: FTR_AU - Messages for unit tests

• Message number: 019

• Message text: Instance of class &1 not unique; key &2 chosen

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 FTR_AU019 - Instance of class &1 not unique; key &2 chosen ?

  The SAP error message FTR_AU019 indicates that there is an issue with the uniqueness of an instance of a class in the context of financial transactions, particularly in Asset Accounting (FI-AA) or related modules. The message states that the instance of class &1 is not unique, and it specifies the key &2 that was chosen.
  
  Cause:
  This error typically occurs when the system encounters multiple instances of a class that match the criteria defined by the key. In other words, the system is trying to identify a specific instance of a class (like an asset or a financial transaction), but it finds more than one instance that fits the criteria, leading to ambiguity.
  Possible Causes:
  
  Duplicate Entries: There may be duplicate entries in the database for the specified class.
  Incorrect Configuration: The configuration settings for the class or the key may not be set up correctly, leading to multiple valid instances.
  Data Integrity Issues: There may