How To Fix RSAU420 - Exchange rate not found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 420

• Message text: Exchange rate not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU420 - Exchange rate not found ?

  The SAP error message RSAU420, which states "Exchange rate not found," typically occurs when the system is unable to find a valid exchange rate for a currency conversion that is required for a transaction. This can happen in various scenarios, such as during the posting of financial documents, currency translations, or when generating reports that involve multiple currencies.
  Causes:
  
  Missing Exchange Rate: The exchange rate for the specific currency pair (e.g., from currency A to currency B) is not maintained in the system.
  Incorrect Validity Period: The exchange rate may exist, but it is not valid for the date of the transaction. Exchange rates are often maintained with specific validity periods.
  Currency Configuration Issues: There may be issues with the configuration of currencies in the system, such as missing currency types or incorrect settings.
  Data Entry Errors: The currency codes used in the transaction may be incorrect or misspelled.
  
  Solutions:
  
  
  Maintain Exchange Rates:
  
  Go to the transaction code OB08 (or use the appropriate path in your SAP system) to maintain exchange rates.
  Ensure that the exchange rate for the required currency pair is entered and is valid for the date of the transaction.
  
  
  
  Check Validity Period:
  
  Verify that the exchange rate is valid for the date of the transaction. If necessary, update the exchange rate to include the required date.
  
  
  
  Review Currency Configuration:
  
  Check the configuration settings for currencies in the system. Ensure that all necessary currencies are defined and that the currency types are correctly set up.
  
  
  
  Verify Transaction Data:
  
  Double-check the transaction data to ensure that the correct currency codes are being used. Look for any typographical errors.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OB08: Maintain exchange rates.
  OB22: Define currency types.
  OB37: Define exchange rate types.
  
  
  
  Exchange Rate Types: Ensure that the correct exchange rate type is being used in the transaction. Different types may have different rates maintained.
  
  
  Currency Conversion: Understand how currency conversion works in SAP and the importance of maintaining accurate and up-to-date exchange rates for financial reporting and transactions.
  
  
  By following these steps, you should be able to resolve the RSAU420 error and ensure that your currency transactions are processed correctly.