How To Fix GP426 - Class & is not supported for CO planning

SAP Error Message - Details

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 426

• Message text: Class & is not supported for CO planning

What causes this issue?

You want to go to maintenance of the CO part. However, the planning
parameters are assigned to a class which does not allow you to use them
for CO planning.

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?

Change the planning parameter assignment such that you can also use the
planning parameters in cost center and/or order planning, or
Create new planning parameters for controlling.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP426 - Class & is not supported for CO planning ?

  The SAP error message GP426 indicates that a specific class is not supported for Controlling (CO) planning. This error typically arises when you are trying to use a class or characteristic in a planning scenario that is not compatible with the CO planning functionality in SAP.
  Cause:
  
  Unsupported Class: The class you are trying to use for planning is not defined or configured to be used in CO planning.
  Configuration Issues: There may be configuration settings in the system that prevent the use of certain classes for planning purposes.
  Data Model Limitations: The data model or the planning layout you are using may not support the class in question.
  
  Solution:
  
  Check Class Configuration: Verify the configuration of the class in question. Ensure that it is set up correctly and is intended for use in CO planning.
  Use Supported Classes: If the class is indeed unsupported, consider using a different class that is compatible with CO planning.
  Review Planning Layout: Check the planning layout and ensure that it is designed to accommodate the class you are trying to use.
  Consult Documentation: Refer to SAP documentation or help resources to understand the limitations and requirements for classes used in CO planning.
  System Configuration: If necessary, consult with your SAP Basis or configuration team to ensure that the system settings allow for the use of the desired class in CO planning.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Transaction Codes: Familiarize yourself with transaction codes related to CO planning, such as KP06 (Cost Center Planning) or KP07 (Cost Center Planning - Change).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: If changes are made to the configuration, conduct thorough testing to ensure that the error is resolved and that planning functionality works as expected.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.