How To Fix CN052 - Control key does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 052

• Message text: Control key does not exist

What causes this issue?

The control key you entered does not exist.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Check to make sure that you have entered the correct control key.
INCLUDE 'NA_ALLG_VORGEHEN' OBJECT DOKU ID TX
Check to make sure that the control key has been defined. If necessary,
define it.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN052 - Control key does not exist ?

  The SAP error message CN052: Control key does not exist typically occurs in the context of project management or production planning when a user tries to create or modify a project or order that references a control key that is not defined in the system.
  Cause:
  
  Missing Control Key: The control key specified in the transaction does not exist in the system. Control keys are used to define the behavior of operations in project management and production orders.
  Incorrect Configuration: The control key may not have been configured properly in the system, or it may have been deleted or deactivated.
  User Input Error: The user may have entered the control key incorrectly, leading to the system not recognizing it.
  
  Solution:
  
  
  Check Control Key Configuration:
  
  Go to the transaction code OPKP (for controlling) or OPL8 (for project management) to check the configuration of control keys.
  Ensure that the control key you are trying to use is defined and active.
  
  
  
  Create or Modify Control Key:
  
  If the control key does not exist, you can create a new control key by using the transaction code OPKP or OPL8.
  Define the necessary parameters for the control key, such as its description, allowed operations, and any other relevant settings.
  
  
  
  Verify User Input:
  
  Double-check the control key entered in the transaction for any typographical errors.
  Ensure that the control key is being used in the correct context (e.g., project vs. production order).
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to control keys to understand their purpose and how they should be configured.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to control keys.
  
  
  
  Related Information:
  
  Control Keys: Control keys are essential in SAP for defining how operations are processed in production and project management. They determine aspects like scheduling, costing, and whether certain operations are mandatory or optional.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OPKP: Control key configuration for production orders.
  OPL8: Control key configuration for project management.
  
  
  SAP Notes: Check SAP Notes for any updates or patches that may address issues related to control keys.
  
  By following these steps, you should be able to identify the cause of the CN052 error and implement a solution to resolve it.