How To Fix UO128 - All default values for conversion exchange rates must be changed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 128

• Message text: All default values for conversion exchange rates must be changed

What causes this issue?

You have not yet changed all the default values for the exchange rates.
These default values must be changed since these are approximate only.

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?

Replace all the default values with the true values.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UO128 - All default values for conversion exchange rates must be changed ?

  The SAP error message UO128, which states "All default values for conversion exchange rates must be changed," typically occurs in the context of currency conversion settings within the SAP system. This error is often related to the configuration of exchange rates in the system, particularly when dealing with foreign currency transactions.
  Cause:
  
  Default Exchange Rate Settings: The error usually arises when the system has default exchange rate settings that are not appropriate or have not been configured correctly. This can happen if the exchange rate type is not defined or if the rates are missing for the specified currency pair.
  Missing or Incorrect Exchange Rates: If the exchange rates for the currencies involved in a transaction are not maintained in the system, it can lead to this error.
  Configuration Issues: There may be issues in the configuration of the currency settings in the Financial Accounting (FI) or Controlling (CO) modules.
  
  Solution:
  
  
  Check Exchange Rate Configuration:
  
  Go to the transaction code OB08 to maintain exchange rates.
  Ensure that the exchange rates for the relevant currency pairs are correctly maintained.
  Verify that the exchange rate type you are using is defined and has valid rates.
  
  
  
  Review Default Values:
  
  Check the default values set for currency conversion in the relevant configuration settings.
  Navigate to the configuration settings for currency conversion and ensure that all necessary defaults are set correctly.
  
  
  
  Update Exchange Rate Types:
  
  If you are using a specific exchange rate type, ensure that it is correctly assigned in the relevant configuration areas (e.g., in the company code settings).
  Make sure that the exchange rate type is active and has valid rates for the required periods.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on configuring exchange rates and handling currency conversion.
  
  
  
  Testing:
  
  After making changes, perform a test transaction to ensure that the error is resolved and that currency conversion works as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB08 (Maintain Exchange Rates), OBA1 (Define Exchange Rate Types), and OB22 (Define Currency Types).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to exchange rate settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial modules.