How To Fix FV135 - Header record &: List with identical key already exists in the system

FV135 - Overview

• Message type: E = Error

• Message class: FV - Electronic Banking Messages

• Message number: 135

• Message text: Header record &: List with identical key already exists in the system

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 FV135 - Header record &: List with identical key already exists in the system ?

  The SAP error message FV135, which states "Header record &: List with identical key already exists in the system," typically occurs in the context of financial document processing, particularly when dealing with document lists or financial statements. This error indicates that there is an attempt to create or process a header record that already exists in the system with the same key.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there is already a header record in the system with the same key (e.g., document number, fiscal year, etc.) that you are trying to create or process.
  Data Entry Errors: Manual data entry errors can lead to the creation of duplicate records.
  System 
  Configuration Issues: Incorrect configuration in the system settings or custom developments that do not handle duplicates properly can also lead to this error.
  Batch Processing: If you are processing multiple records in a batch, it is possible that