How To Fix GP406 - Class & not defined, can be created

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 406

• Message text: Class & not defined, can be created

What causes this issue?

You want to assign the planning parameters to class &V1&. However,
this class is currently not defined.

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?

Ignore the warning and create the new class &V1&, or
Display the possible classes with F4, or
Correct your typing error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP406 - Class & not defined, can be created ?

  The SAP error message GP406 ("Class & not defined, can be created") typically occurs in the context of SAP's classification system, particularly when working with the SAP General Product Data Management (GP) module. This error indicates that the system is unable to find a specific class that is required for a particular operation, such as creating or managing a product or material.
  Cause:
  
  Missing Class Definition: The class that you are trying to use has not been defined in the system.
  Incorrect Class Type: The class type may not be correctly set or may not exist in the system.
  Authorization Issues: The user may not have the necessary permissions to access or create the class.
  Configuration Issues: There may be issues with the configuration of the classification system in SAP.
  
  Solution:
  
  
  Create the Class:
  
  Navigate to the transaction code CL02 (Change Class) or CL01 (Create Class).
  Check if the class you are trying to use exists. If it does not, create a new class with the required attributes.
  Ensure that you assign the correct class type and characteristics.
  
  
  
  Check Class Type:
  
  Ensure that the class type you are trying to use is correctly defined in the system. You can check this in the configuration settings for classification.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to create or modify classes. This can be checked in the user roles and profiles.
  
  
  
  Configuration Review:
  
  Review the configuration settings for the classification system to ensure that everything is set up correctly. This may involve checking the settings in the SPRO transaction (SAP Reference IMG).
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on classification and class creation.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.