How To Fix FKKVT_ALREADY_EXISTS001 - &2 with external key &1 already exists

FKKVT_ALREADY_EXISTS001 - Overview

• Message type: E = Error

• Message class: FKKVT_ALREADY_EXISTS - Error category "alreadyExists"

• Message number: 001

• Message text: &2 with external key &1 already exists

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 FKKVT_ALREADY_EXISTS001 - &2 with external key &1 already exists ?

  The SAP error message FKKVT_ALREADY_EXISTS001 indicates that there is an attempt to create a new entry in the system with an external key that already exists. This typically occurs in the context of contract accounts or billing documents in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) modules.
  
  Cause:
  The error is triggered when:
  
  You are trying to create a new contract account, billing document, or similar entity using an external key (like a customer number, contract number, etc.) that is already in use in the system.
  There may be a duplicate entry in the database that conflicts with the new entry you are trying to create.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Existing Entries:
  
  Use transaction codes like FBL1N, FBL3N, or FBL5N to search for existing entries using the external key in question. This will help you confirm whether the key is indeed already in use.
  
  
  
  Use a