How To Fix MN677 - Information needed for currency conversion not found (internal error)

MN677 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 677

• Message text: Information needed for currency conversion not found (internal error)

What causes this issue?

The information needed for currency conversion is stored in an internal
table. However, no record was found in this internal table for company
code &V1& and currency type &V2&.
This is probably due to a program error.
The error occurred in form routine &V3& in function module &V4&.

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?

INCLUDE NA_SYSADMIN1

Error message extract from SAP system. Copyright SAP SE.

MN677 - Details

• The SAP error message MN677, which states "Information needed for currency conversion not found (internal error)," typically occurs during processes that involve currency conversion, such as during the posting of financial documents or when running reports that require currency translation.
  Causes:
  
  Missing Exchange Rate: The most common cause is that the required exchange rate for the currency pair is not maintained in the system.
  Incorrect Configuration: There may be issues with the configuration of the currency types or the settings in the currency conversion settings.
  Missing Master Data: The relevant master data (like currency types or exchange rate types) may not be set up correctly or may be missing.
  Date Issues: The exchange rate may not be valid for the date of the transaction or report.
  System Errors: Internal errors or inconsistencies in the SAP system can also lead to this message.
  
  Solutions:
  
  
  Check Exchange Rates:
  
  Go to transaction code OB08 to check if the exchange rates for the