How To Fix FF807 - Tax amount is negative

FF807 - Overview

• Message type: E = Error

• Message class: FF - FI Function Module Messages

• Message number: 807

• Message text: Tax amount is negative

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 FF807 - Tax amount is negative ?

  The SAP error message FF807, which states "Tax amount is negative," typically occurs during the processing of financial transactions, particularly when dealing with tax calculations in accounts payable or accounts receivable. This error indicates that the system has detected a negative tax amount, which is not permissible in standard tax processing.
  Causes:
  
  Incorrect Tax Configuration: The tax codes or tax rates may be incorrectly configured in the system, leading to negative tax calculations.
  Data Entry Errors: Manual entry errors in invoices or transactions can result in negative tax amounts.
  Credit Memos: If a credit memo is processed incorrectly, it may lead to a situation where the tax amount appears negative.
  Reversals: Reversing a transaction that has already been posted can sometimes lead to negative tax amounts if not handled properly.
  Custom Code Issues: If there are custom developments or enhancements in the system, they may inadvertently cause negative tax calculations.
  
  Solutions:
  
  Review Tax Configuration: Check the tax codes