How To Fix CK300 - Control key & is not defined in Customizing

CK300 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 300

• Message text: Control key & is not defined in Customizing

What causes this issue?

When attempting to cost an operation with control key &V1&, the system
determined that this control key is not defined.

System Response

The operation in the routing is not costed.

How to fix this error?

Go into Customizing for Product Cost Controlling and create control key
&v1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK300 - Control key & is not defined in Customizing ?

  The SAP error message CK300, which states "Control key & is not defined in Customizing," typically occurs in the context of the Controlling (CO) module, particularly when dealing with cost object controlling or production planning. This error indicates that the system is unable to find a control key that has been referenced in a transaction or configuration.
  
  Cause:
  
  Missing Control Key Definition: The control key that is being referenced in the transaction or configuration has not been defined in the system.
  Incorrect Control Key: The control key may have been entered incorrectly, leading to the system not recognizing it.
  Transport Issues: If the control key was recently created or modified in a different environment (like development) and not transported correctly to the production environment, it may not be available.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or use the control key.
  
  
  Solution:
  
  
  Define the Control Key:
  
  Go to the Customizing transaction (SPRO).
  Navigate