How To Fix UJK_EXCEPTION002 - Function &1 has already been defined

UJK_EXCEPTION002 - Overview

• Message type: E = Error

• Message class: UJK_EXCEPTION -

• Message number: 002

• Message text: Function &1 has already been defined

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UJK_EXCEPTION002 - Function &1 has already been defined ?

  The SAP error message UJK_EXCEPTION002 with the description "Function &1 has already been defined" typically occurs in the context of SAP's Business Add-Ins (BAdIs) or enhancement implementations. This error indicates that there is an attempt to define a function or method that has already been defined in the system, leading to a conflict.
  
  Cause:
  
  
  Duplicate Definition: The most common cause of this error is that the function or method you are trying to define has already been defined in the system. This can happen if:
  
  You are trying to implement a BAdI or enhancement that has already been implemented.
  There are multiple implementations of the same BAdI or enhancement that are conflicting with each other.
  
  
  
  Transport Issues: If you are working in a development environment and have transported objects to a different environment (like QA or Production), there might be inconsistencies in the definitions.
  
  
  Namespace Conflicts: If you are using custom namespaces, there might be conflicts