How To Fix KK402 - Item category & not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 402

• Message text: Item category & not allowed

What causes this issue?

You entered an item category which is not valid for the current costing
variant.
Example:
You cannot use the item category for an internal activity in the
detailed planning of a primary cost element.

System Response

You cannot edit this item.

How to fix this error?

Enter an item category which is valid for the current costing variant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK402 - Item category & not allowed ?

  The SAP error message KK402 ("Item category & not allowed") typically occurs in the context of controlling (CO) when you are trying to post a transaction that involves an item category that is not permitted for the operation you are attempting to perform. This error is often encountered in various scenarios, such as when dealing with internal orders, cost centers, or other controlling-related transactions.
  Cause:
  
  Incorrect Item Category: The item category you are trying to use is not configured for the specific transaction or operation you are performing.
  Configuration Issues: The item category may not be allowed in the configuration settings of the controlling module.
  Transaction Type Restrictions: Certain item categories may be restricted based on the type of transaction you are executing (e.g., certain types of orders or cost allocations).
  Master Data Issues: The master data associated with the item category may not be set up correctly, leading to this error.
  
  Solution:
  
  
  Check Item Category Configuration:
  
  Go to the configuration settings in SAP (Transaction SPRO) and navigate to the relevant area for controlling (e.g., Internal Orders, Cost Centers).
  Verify that the item category you are trying to use is allowed for the specific transaction type.
  
  
  
  Review Transaction Type:
  
  Ensure that the transaction type you are using is compatible with the item category. You may need to adjust the transaction type or select a different item category.
  
  
  
  Adjust Master Data:
  
  Check the master data for the relevant objects (e.g., internal orders, cost centers) to ensure that they are set up correctly and that the item category is valid for those objects.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on item categories and their allowed uses within your version of SAP.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KO01 (Create Internal Order), KO02 (Change Internal Order), and KO03 (Display Internal Order) to troubleshoot further.
  SAP Notes: Check for any SAP Notes related to the error message KK402, as they may provide additional insights or patches that address the issue.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the transaction with the specified item category.
  
  By following these steps, you should be able to identify the cause of the KK402 error and implement a solution to resolve it.