How To Fix CN854 - You can only enter a cost control key

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 854

• Message text: You can only enter a cost control key

What causes this issue?

You have entered a control key for this activity that is not valid for
general costs activities.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Check your entry. Enter a control key permitted for general costs
activities.
INCLUDE 'NA_ALLG_VORGEHEN' OBJECT DOKU ID TX
Check whether the control key has been correctly defined. Make any
necessary changes.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN854 - You can only enter a cost control key ?

  The SAP error message CN854 ("You can only enter a cost control key") typically occurs in the context of project management or controlling modules when you are trying to enter or modify data related to cost planning or budgeting in a project. This error indicates that the system expects a cost control key to be entered, but it is either missing or incorrectly specified.
  Cause:
  
  Missing Cost Control Key: The cost control key is a required field in certain transactions related to project costing. If it is not filled in, the system will throw this error.
  Incorrect Configuration: The configuration settings for the project or cost center may not allow for the entry of certain types of cost control keys.
  Authorization Issues: The user may not have the necessary authorizations to enter or modify the cost control key.
  Data Entry Error: There may be a typographical error or incorrect data entry in the field where the cost control key is supposed to be entered.
  
  Solution:
  
  Enter a Valid Cost Control Key: Ensure that you are entering a valid cost control key in the relevant field. Check the documentation or consult with your project manager to confirm the correct key.
  Check Configuration Settings: Review the configuration settings in the SAP system to ensure that the cost control key is set up correctly for the project or cost center you are working with.
  Review Authorizations: Verify that you have the necessary authorizations to enter or modify the cost control key. If not, contact your SAP security administrator to request the appropriate access.
  Correct Data Entry: Double-check the data you are entering for any errors or omissions. Make sure that all required fields are filled out correctly.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to project management, such as CJ01 (Create Work Breakdown Structure), CJ02 (Change Work Breakdown Structure), or CJ20N (Project Builder).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  Documentation: Refer to SAP documentation or user manuals for guidance on cost control keys and their usage within the project management module.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in project management and controlling.