How To Fix WC138 - Error converting currency &

WC138 - Overview

• 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.

WC138 - Details

• 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,