How To Fix KW406 - Invalid quantity unit in CO area or object currency for &.

KW406 - Overview

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 406

• Message text: Invalid quantity unit in CO area or object currency for &.

What causes this issue?

Not used

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?

Error message extract from SAP system. Copyright SAP SE.

KW406 - Details

• The SAP error message KW406 "Invalid quantity unit in CO area or object currency for &." typically occurs in the context of Controlling (CO) when there is an issue with the quantity unit being used in a transaction. This error can arise in various scenarios, such as during the posting of costs, internal orders, or when dealing with cost centers.
  
  Cause:
  
  Invalid Quantity Unit: The quantity unit specified in the transaction does not exist or is not valid for the controlling area or the object currency.
  
  Configuration Issues: The configuration settings for the controlling area or the relevant master data (like cost centers, internal orders, etc.) may not be set up correctly.
  Currency Conversion Issues: If the transaction involves multiple currencies, there may be issues with how the quantity unit is defined in relation to the currency being used.
  Master Data Inconsistencies: The master data for the cost object (like internal orders or cost centers)