How To Fix BK605 - Currency key specified ignored because only one currency in CO

BK605 - Overview

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 605

• Message text: Currency key specified ignored because only one currency in CO

What causes this issue?

During batch input for the reposting of costs, you specified a currency
key that differs from the controlling area currency.

System Response

At present, only one currency is used in Controlling.
Since the currency key in the online transaction KB11 is not available
here, the value specified is posted together with the controlling area
currency.

How to fix this error?

Prior to calling up batch input, check whether amounts need to be
converted.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BK605 - Currency key specified ignored because only one currency in CO ?

  The SAP error message BK605 indicates that a currency key specified in a Controlling (CO) document is being ignored because there is only one currency defined for the controlling area. This typically occurs in scenarios where the system expects a currency specification but finds that the controlling area is set up to use only a single currency.
  
  Cause:
  
  Single Currency Configuration: The controlling area is configured to use only one currency (usually the local currency). In such cases, any attempt to specify a different currency in a CO document will be ignored.
  Incorrect Document Entry: Users may inadvertently enter a currency key when creating or posting a CO document, even though the controlling area does not support multiple currencies.
  
  
  Solution:
  
  
  Check Controlling Area Settings:
  
  Go to the configuration settings for the controlling area in SAP.
  Verify the currency settings to confirm that only one currency is defined.
  If you need to work with multiple currencies, consider changing the