How To Fix 3E309 - Flat tax amount no longer valid. Please use flat tax percentage.

3E309 - Overview

• Message type: E = Error

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

• Message number: 309

• Message text: Flat tax amount no longer valid. Please use flat tax percentage.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 3E309 - Flat tax amount no longer valid. Please use flat tax percentage. ?

  The SAP error message 3E309 indicates that the flat tax amount you are trying to use is no longer valid, and the system is prompting you to use a flat tax percentage instead. This error typically arises in the context of tax calculations in SAP, particularly when dealing with flat tax rates that may have changed or been deactivated.
  
  Cause:
  
  Invalid Flat Tax Amount: The flat tax amount you are trying to apply may have been deactivated or is no longer valid in the system.
  Configuration Changes: Changes in tax configuration or updates to tax regulations may have rendered the flat tax amount obsolete.
  Data Entry Error: There may be a mistake in the data entry where an incorrect or outdated flat tax amount is being referenced.
  
  
  Solution:
  
  
  Check Tax Configuration:
  
  Navigate to the tax configuration settings in SAP (Transaction Code: OB40 or similar).
  Verify if the flat tax amount you are trying to use is still active