How To Fix F5A123 - The resulting tax amount is invalid - reenter the amounts

SAP Error Message - Details

• Message type: E = Error

• Message class: F5A - Document Editing

• Message number: 123

• Message text: The resulting tax amount is invalid - reenter the amounts

What causes this issue?

You have specified the gross and the net amount for the cash journal.
The resulting tax amount does not correspond to the tax amount that was
calculated according to the tax code. In Customizing however, you
specified that an alternative net amount is not permitted.

System Response

The system does not post the cash journal entry.

How to fix this error?

You have the following options:
You can delete the check selection for the corresponding tax code in
Customizing. Determine which tax code is being used. In Customizing,
select the activity, <LS>Create, Change, Delete Accounting Transactions
</>. Then choose the activity <LS>Define Tax on Sales/Purchases Code
</> to delete the check selection.
Select a different tax code for the cash journal accounting
transaction. You can do this in Customizing for the cash journal in the
activity <LS>Create, Change, Delete Accounting Transactions</>.
Have the system create the net or gross amount. To do this, leave one
of the amount fields blank.
Select a different accounting transaction with a different tax code.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F5A123 - The resulting tax amount is invalid - reenter the amounts ?

  The SAP error message F5A123 ("The resulting tax amount is invalid - reenter the amounts") typically occurs during the processing of financial transactions, particularly when dealing with tax calculations in invoices or other financial documents. This error indicates that the system has detected an inconsistency or an invalid tax amount based on the input values.
  Causes:
  
  Incorrect Tax Configuration: The tax codes or tax rates may not be set up correctly in the system.
  Invalid Amounts: The amounts entered for the transaction may not align with the expected tax calculations. For example, the tax amount may exceed the allowable limits or not correspond to the base amount.
  Currency Issues: If the transaction involves multiple currencies, there may be discrepancies in currency conversion rates or calculations.
  Tax Jurisdiction: The tax jurisdiction may not be correctly defined, leading to incorrect tax calculations.
  Rounding Issues: Rounding differences between the calculated tax and the entered tax amount can trigger this