How To Fix TPM_THX1579 - Trans. &1 belongs to a designated FX swap, process first leg first.

TPM_THX1579 - Overview

• Message type: E = Error

• Message class: TPM_THX1 - Treasury: Message Class for P-HA

• Message number: 579

• Message text: Trans. &1 belongs to a designated FX swap, process first leg first.

What causes this issue?

You are trying to change value date &V2& of FX transaction &V1&. This FX
transaction is contained in a designated FX swap. For technical reasons,
it's necessary to change first the value date &V4& of the first leg of
FX swap (&V3&).

System Response

It's not possible to save the changes.

How to fix this error?

Please process first the first leg of the FX swap.

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 TPM_THX1579 - Trans. &1 belongs to a designated FX swap, process first leg first. ?

  The SAP error message TPM_THX1579 indicates that there is an issue with the processing of a foreign exchange (FX) swap transaction in the Treasury and Risk Management (TRM) module. Specifically, this error occurs when you attempt to process the second leg of an FX swap transaction without first processing the first leg.
  
  Cause:
  The error arises because FX swaps are structured as two legs: 
  
  The first leg typically involves the initial exchange of currencies.
  The second leg involves the reverse exchange of currencies at a later date.
  
  In SAP, the system requires that the first leg of the FX swap be processed before the second leg can be handled. If you try to process the second leg directly, the system will throw this error.
  
  Solution:
  To resolve this error, you need to ensure that the first leg of the FX swap transaction is processed before attempting to process the second leg. Here are the steps you