How To Fix CN484 - Calculation key & not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 484

• Message text: Calculation key & not valid

What causes this issue?

You are using a calculation key which is not permitted.

System Response

The network activity is not saved.

How to fix this error?

Enter a valid calculation key.

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 CN484 - Calculation key & not valid ?

  The SAP error message CN484 ("Calculation key & not valid") typically occurs in the context of project management or controlling modules, particularly when dealing with cost planning or budgeting in SAP. This error indicates that the calculation key you are trying to use is not recognized or is not valid in the current context.
  Causes:
  
  Incorrect Calculation Key: The calculation key you are trying to use may not exist in the system or may have been deleted.
  Configuration Issues: The calculation key may not be properly configured in the system settings.
  Authorization Issues: The user may not have the necessary permissions to access the calculation key.
  Data Entry Errors: There may be a typographical error in the entry of the calculation key.
  Inactive Status: The calculation key may be inactive or not assigned to the relevant project or cost element.
  
  Solutions:
  
  Verify the Calculation Key: Check if the calculation key exists in the system. You can do this by navigating to the relevant configuration or master data area in SAP.
  Check Configuration: Ensure that the calculation key is properly configured in the system. This may involve checking the settings in the controlling (CO) module or project system (PS) module.
  User Authorizations: Confirm that the user has the necessary authorizations to access and use the calculation key.
  Correct Data Entry: Double-check the entry for any typographical errors. Ensure that the calculation key is entered correctly.
  Activate the Calculation Key: If the calculation key is inactive, you may need to activate it or assign it to the relevant project or cost element.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the calculation key and its usage.
  
  Related Information:
  
  Transaction Codes: You may need to use specific transaction codes to check or configure calculation keys, such as KP26 (Change Plan Data) or CJ20N (Project Builder).
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the CN484 error and implement a solution to resolve it.