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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UO123 - Ratios for the inverse euro exch.rate are missing for partic.currcy &1 ?

  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 currency is correctly configured in the system.
  Verify that the currency is set up to allow for conversion to and from Euro.
  
  
  
  Review Exchange Rate Types:
  
  Check the exchange rate types being used in your transactions. Ensure that the correct exchange rate type is being referenced.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on your currency and exchange rate data to identify any discrepancies.
  You may need to consult with your SAP Basis or technical team if there are underlying data issues.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to currency conversion and exchange rates for any additional guidance or updates.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OB08: Maintain Exchange Rates
  OBBS: Display Exchange Rates
  OB07: Define Exchange Rate Types
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Currency Configuration: Familiarize yourself with the configuration of currencies in SAP, including how to set up and maintain exchange rates.
  
  
  By following these steps, you should be able to resolve the UO123 error and ensure that the necessary exchange rate data is available for the specified currency.