How To Fix T0878 - Calculated exch. rate &1 between &2 and &3 differs from fixed rate &4

T0878 - Overview

• Message type: E = Error

• Message class: T0 - General Treasury

• Message number: 878

• Message text: Calculated exch. rate &1 between &2 and &3 differs from fixed rate &4

What causes this issue?

An exchange rate type, for which rate fixing is intended, is used for
exchange rate &V2& / &V3&. The rate which the SAP R/3 System should
continue to use, however, deviates from this fixed rate.
INCLUDE 'CUSTOMIZED_MESSAGE_INFO' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message T0878 - Calculated exch. rate &1 between &2 and &3 differs from fixed rate &4 ?

  The SAP error message T0878 indicates a discrepancy between a calculated exchange rate and a fixed exchange rate defined in the system. This error typically arises during currency conversion processes, such as when posting transactions that involve different currencies.
  
  Cause:
  
  Exchange Rate Differences: The calculated exchange rate (based on the current exchange rate settings) does not match the fixed exchange rate that has been set for the specific currency pair.
  
  Configuration Issues: There may be issues with the configuration of exchange rates in the system, such as missing or incorrect entries in the exchange rate tables.
  Timing Issues: The exchange rate may have changed after the fixed rate was set, leading to discrepancies.
  Data Entry Errors: Incorrect data entry in transaction documents or master data can lead to mismatches in expected exchange rates.
  
  
  Solution:
  
  
  Check Exchange Rate Configuration:
  
  Go to the transaction code OB08 to review the exchange rates defined in the system.
  Ensure that the fixed exchange rate