How To Fix SMT_CONFIG131 - Class &1 does not implement interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT_CONFIG - Configuration message class

• Message number: 131

• Message text: Class &1 does not implement 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT_CONFIG131 - Class &1 does not implement interface &2 ?

  The SAP error message SMT_CONFIG131 indicates that a specific class does not implement a required interface. This error typically arises in the context of SAP's System Landscape Transformation (SLT) or when working with Business Application Programming Interfaces (BAPIs) and other object-oriented programming scenarios in ABAP.
  Cause:
  The error occurs when:
  
  A class is expected to implement a certain interface, but it does not.
  There may be a mismatch between the class definition and the interface definition.
  The class might not have been properly activated or compiled after changes were made.
  The interface might have been changed or deleted, leading to inconsistencies.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Class Implementation:
  
  Go to the ABAP Workbench (transaction SE80 or SE24).
  Locate the class mentioned in the error message.
  Verify that the class implements the specified interface. You can do this by checking the "Interfaces" tab in the class definition.
  
  
  
  Implement Missing Methods:
  
  If the class does not implement all the methods defined in the interface, you need to implement them. Ensure that all required methods are correctly defined in the class.
  
  
  
  Activate the Class:
  
  After making changes, ensure that you activate the class. You can do this by clicking the "Activate" button in the ABAP Workbench.
  
  
  
  Check for Changes in the Interface:
  
  If the interface has been modified (e.g., methods added or removed), ensure that the class is updated accordingly to reflect these changes.
  
  
  
  Recompile the Class:
  
  Sometimes, recompiling the class can resolve issues. You can do this by using the "Check" and "Activate" options in the ABAP Workbench.
  
  
  
  Review Dependencies:
  
  Check if there are any dependencies or other classes that might be affecting the implementation. Ensure that all related objects are correctly defined and activated.
  
  
  
  Consult Documentation:
  
  If you are unsure about the interface or class requirements, refer to the SAP documentation or the development guidelines for your specific SAP version.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE24 (Class Builder), SE37 (Function Module), SE11 (Data Dictionary).
  Debugging: If the error persists, consider using the debugger to trace where the error occurs in the code.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional context.
  
  By following these steps, you should be able to identify and resolve the issue related to the SMT_CONFIG131 error message in SAP.