How To Fix NI023 - Function & not defined for document category &

NI023 - Overview

• Message type: E = Error

• Message class: NI - Document index processing

• Message number: 023

• Message text: Function & not defined for document category &

What causes this issue?

Function &V1& is not defined for document category &V2&.
Program execution is controlled via the document category &V2&. Program
&V4& does not include function &V1& for the document category &V2&.

System Response

Function &V1& cannot be performed for document &V3&.

How to fix this error?

Contact your system administrator as the program needs to be changed.

Error message extract from SAP system. Copyright SAP SE.

NI023 - Details

• The SAP error message NI023 ("Function & not defined for document category &") typically occurs when there is an attempt to execute a function or transaction that is not applicable to the specified document category in the SAP system. This can happen in various modules, such as Financial Accounting (FI), Controlling (CO), or others, depending on the context of the error.
  
  Cause:
  
  Incorrect Document Category: The document category specified in the transaction does not support the function being called.
  
  Configuration Issues: The system may not be properly configured to handle the specific document category for the function you are trying to execute.
  Missing Functionality: The function you are trying to use may not be implemented for the document category in question.
  User Authorization: The user may not have the necessary authorizations to perform the action on the specified document category.
  
  
  Solution:
  
  Check Document Category: Verify that the document category you are using is correct and that it