How To Fix 3E434 - Critical employee data has been changed in the source file for seqnr # &1

3E434 - Overview

• Message type: E = Error

• Message class: 3E - Vorgesehen für neue Länderentwicklungen HR

• Message number: 434

• Message text: Critical employee data has been changed in the source file for seqnr # &1

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 3E434 - Critical employee data has been changed in the source file for seqnr # &1 ?

  The SAP error message 3E434 indicates that critical employee data has been changed in the source file for a specific sequence number (seqnr). This error typically arises during data uploads or integrations, particularly when using tools like the SAP HR (Human Resources) module or when processing employee data through interfaces.
  
  Cause:
  The error is triggered when the system detects that the employee data being processed has been altered in the source file after it was initially read. This can happen due to:
  
  Concurrent Modifications: If multiple processes or users are trying to update the same employee data simultaneously, it can lead to inconsistencies.
  Data Integrity Issues: Changes made to the employee data in the source file after the initial read can cause the system to reject the upload to maintain data integrity.
  Incorrect File Format: If the source file does not adhere to the expected format or structure, it may lead to unexpected changes being