How To Fix UO123 - Ratios for the inverse euro exch.rate are missing for partic.currcy &1

UO123 - Overview

• Message type: E = Error

• Message class: UO - Maintain Currency Tables TCUR* for Euro Introduction

• Message number: 123

• Message text: Ratios for the inverse euro exch.rate are missing for partic.currcy &1

What causes this issue?

You have made euro settings in the currency tables in your system, but
have not entered the ratios for the participating currency <-> euro
exchange rates for every participating currency.

System Response

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

How to fix this error?

Maintain the missing ratios under standard view maintenance.

Error message extract from SAP system. Copyright SAP SE.

UO123 - Details

• The SAP error message UO123 indicates that there are missing ratios for the inverse Euro exchange rate for a particular currency. This typically occurs in the context of currency conversion or when dealing with foreign currency transactions in SAP.
  
  Cause:
  
  Missing Exchange Rate Data: The primary cause of this error is that the exchange rate data for the specified currency against the Euro is not maintained in the system.
  Incorrect Configuration: There may be an issue with the configuration of currency types or exchange rate types in the system.
  Data Inconsistency: There could be inconsistencies in the exchange rate tables, possibly due to incomplete updates or data migration issues.
  
  
  Solution:
  
  
  Maintain Exchange Rates:
  
  Go to the transaction code OB08 (Maintain Exchange Rates).
  Check if the exchange rate for the specified currency against the Euro is maintained.
  If it is missing, you will need to enter the appropriate exchange rate for the currency against the Euro.
  
  
  
  Check Currency Configuration:
  
  Ensure that the