How To Fix SPRX151 - Class &1 does not implement interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 151

• Message text: Class &1 does not implement interface &2

What causes this issue?

The specified class &V1& does not implement interface &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You must specify an ABAP OO class that implements the interface &V2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX151 - Class &1 does not implement interface &2 ?

  The SAP error message SPRX151 indicates that a specific class does not implement a required interface. This error typically arises in the context of ABAP programming when a class is expected to implement certain methods defined in an interface, but it fails to do so.
  Cause:
  
  Missing Implementation: The class defined does not implement all the methods specified in the interface.
  Incorrect Class Declaration: The class may not be correctly declared to implement the interface.
  Changes in Interface: If the interface has been modified (e.g., methods added or changed) and the class has not been updated accordingly, this error can occur.
  Typographical Errors: There may be typographical errors in the class or interface names.
  
  Solution:
  
  
  Check Class Implementation:
  
  Open the class in the ABAP Workbench (SE80 or SE24).
  Verify that the class implements all the methods defined in the interface. If any methods are missing, implement them.
  
  
  
  Update Class Declaration:
  
  Ensure that the class declaration includes the correct interface. You can check this in the class definition section.
  Example:
  CLASS my_class DEFINITION
    INHERITING FROM my_super_class
    FINAL
    CREATE PUBLIC
    IMPLEMENTING my_interface.
  
  
  
  
  Review Interface Changes:
  
  If the interface has been modified, review the changes and update the class accordingly to implement any new methods.
  
  
  
  Check for Typographical Errors:
  
  Ensure that the names of the class and interface are spelled correctly and match exactly.
  
  
  
  Activate the Class:
  
  After making changes, ensure that you activate the class to reflect the updates.
  
  
  
  Testing:
  
  After implementing the necessary changes, test the functionality to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE24 (Class Builder) to navigate and edit classes and interfaces.
  Documentation: Refer to the SAP Help Portal or ABAP documentation for more details on interfaces and class implementation.
  Debugging: If the error persists, consider using the ABAP debugger to trace where the error occurs in the code execution.
  
  By following these steps, you should be able to resolve the SPRX151 error and ensure that your class correctly implements the required interface.