How To Fix KK457 - Item category & not allowed on this list screen

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 457

• Message text: Item category & not allowed on this list screen

What causes this issue?

You have entered an item category that is not permitted as a manual
entry in this list screen.
Example:
The item category "Material" cannot be entered, since it has an origin
(resource).

System Response

The system does not allow this item to be edited.

How to fix this error?

Enter an item category that is permitted as a manual entry in this list
screen (such as V, S, or T), or switch to another view.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK457 - Item category & not allowed on this list screen ?

  The SAP error message KK457 ("Item category & not allowed on this list screen") typically occurs in the context of controlling (CO) when you are trying to display or process a list of items related to cost centers, internal orders, or other controlling objects. This error indicates that the item category you are trying to use is not permitted for the specific list screen you are accessing.
  Cause:
  
  Item Category Restrictions: The item category you are trying to use is not configured to be displayed or processed in the specific list screen you are accessing. This could be due to system settings or configuration that restricts certain item categories from being used in specific contexts.
  Configuration Issues: There may be configuration settings in the controlling module that limit the item categories available for certain transactions or reports.
  User Authorizations: The user may not have the necessary authorizations to access certain item categories or the specific list screen.
  
  Solution:
  
  Check Configuration: Review the configuration settings in the controlling module (transaction codes like OKKP, OKEQ, or OKEO) to ensure that the item category you are trying to use is allowed for the list screen you are accessing. You may need to consult with your SAP configuration team or a functional consultant.
  Use Allowed Item Categories: If the item category is indeed restricted, consider using a different item category that is allowed for the list screen you are trying to access.
  User Authorizations: Ensure that the user has the necessary authorizations to access the item category and the list screen. This may involve checking user roles and authorizations in transaction PFCG.
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the item categories and their allowed contexts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KK01 (Create Internal Order), KK02 (Change Internal Order), and KK03 (Display Internal Order) to understand where the error might be occurring.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with your SAP support team or a consultant for further assistance.