How To Fix KK678 - Costing header foreign currency was not changed

KK678 - Overview

• Message type: E = Error

• Message class: KK -

• Message number: 678

• Message text: Costing header foreign currency was not changed

What causes this issue?

The foreign currency rate or foreign currency rate type could not be
changed, because the currency you entered as a foreign currency is the
same as the local currency.

System Response

The system ignored the exchange rate or exchange rate type you entered.

How to fix this error?

Enter a foreign currency which differs from the local currency.

Error message extract from SAP system. Copyright SAP SE.

KK678 - Details

• The SAP error message KK678, which states "Costing header foreign currency was not changed," typically occurs during the process of creating or changing a cost estimate in the Controlling (CO) module, particularly when dealing with foreign currency settings.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Currency Settings: The currency settings in the costing header do not match the expected values. This can happen if the currency of the cost estimate is not aligned with the currency of the master data (like material master or cost center).
  
  
  Costing Variant Configuration: The costing variant may not be configured correctly to allow for changes in currency. This can include settings related to currency types or the way foreign currency is handled in the costing process.
  
  
  Master Data Issues: There may be inconsistencies in the master data related to the materials or cost centers involved in the costing process, particularly regarding their currency settings.
  
  
  Transaction