How To Fix /LTB/TR_UI203 - &1 is not implementing interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/TR_UI -

• Message number: 203

• Message text: &1 is not implementing interface &2

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 /LTB/TR_UI203 - &1 is not implementing interface &2 ?

  The SAP error message /LTB/TR_UI203 &1 is not implementing interface &2 typically indicates that a specific class or object (&1) is expected to implement a certain interface (&2), but it does not. This can occur in various scenarios, particularly when working with custom developments or enhancements in SAP systems.
  Cause:
  
  Missing Implementation: The class or object referenced does not implement the required interface. This could be due to a missing method or an incomplete implementation.
  Incorrect Class/Interface Assignment: The class may have been incorrectly assigned or configured in the system.
  Transport Issues: If the class was transported from another system, it may not have been transported correctly, leading to missing implementations.
  Version Mismatch: There may be a version mismatch between the class and the interface, especially if the interface has been updated but the class has not.
  
  Solution:
  
  
  Check Class Implementation:
  
  Go to the ABAP Workbench (SE80) and check the class definition for &1.
  Ensure that it implements all methods defined in the interface &2.
  
  
  
  Implement Missing Methods:
  
  If the class does not implement the required methods, you will need to add them. This can be done by editing the class in the ABAP Workbench.
  
  
  
  Review Transport Requests:
  
  If the class was recently transported, check the transport logs to ensure that all necessary objects were included in the transport request.
  
  
  
  Check for Updates:
  
  If the interface has been updated, ensure that the class is also updated to implement any new methods or changes.
  
  
  
  Debugging:
  
  If you are unsure where the error is occurring, you can use the debugger to trace the execution and identify where the interface implementation is failing.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes related to the specific interface and class to ensure compliance with expected implementations.
  
  
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) to check the class and interface definitions.
  SAP Notes: Search for SAP Notes related to the specific interface or class for any known issues or patches.
  Community Forums: Check SAP Community or other forums for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.