How To Fix WC138 - Error converting currency &

SAP Error Message - Details

• Message type: E = Error

• Message class: WC - POS interface - outbound and Tickets & Additionals

• Message number: 138

• Message text: Error converting currency &

What causes this issue?

An exception occurred in the conversion module for currency codes
(POS_CUST_CURRENCY_CONVERT).
The conversion rule for the currency code &V1& is probably unknown.

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

System Response

The record cannot be prepared for downloading.

How to fix this error?

Define a conversion rule by maintaining table TWPUF.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message WC138 - Error converting currency & ?

  The SAP error message WC138, which indicates "Error converting currency," typically arises when there is an issue with currency conversion in the system. This can occur in various scenarios, such as during the posting of financial documents, sales orders, or when executing reports that involve multiple currencies.
  Causes of WC138 Error
  
  
  Missing Exchange Rate: The most common cause is that there is no exchange rate defined for the currency pair involved in the transaction. If the system cannot find a valid exchange rate for the currencies being used, it will throw this error.
  
  
  Incorrect Currency Configuration: There may be issues with the configuration of currencies in the system, such as incorrect settings in the currency types or the way currencies are defined in the company code.
  
  
  Date Issues: The exchange rate may not be valid for the date of the transaction. If the exchange rate is not maintained for the specific date or period, the conversion will fail.
  
  
  Currency Type Issues: The currency type used in the transaction may not be set up correctly in the system.
  
  
  Data Entry Errors: There may be errors in the data entry, such as incorrect currency codes or formats.
  
  
  Solutions to WC138 Error
  
  
  Check Exchange Rates:
  
  Go to the transaction code OB08 to check if the exchange rates for the relevant currency pair are maintained.
  Ensure that the exchange rate is valid for the date of the transaction.
  
  
  
  Maintain Exchange Rates:
  
  If the exchange rate is missing, you can maintain it in the system. Make sure to enter the correct currency pair and the corresponding exchange rate.
  
  
  
  Review Currency Configuration:
  
  Check the configuration of currencies in the system. Ensure that the currency types are correctly set up in the company code settings.
  
  
  
  Verify Transaction Dates:
  
  Ensure that the transaction date falls within the range of valid exchange rates. If necessary, adjust the transaction date or maintain the required exchange rates.
  
  
  
  Check for Data Entry Errors:
  
  Review the document or transaction for any data entry errors, such as incorrect currency codes or formats.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on currency conversion issues.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB08 (Maintain Exchange Rates), OBA1 (Define Currency Types), and FB50 (General Ledger Document Entry) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to currency conversion errors.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and maintain exchange rates.
  
  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.