How To Fix 5W167 - &1 does not match the convention; you must implement interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 167

• Message text: &1 does not match the convention; you must implement interface &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5W167 - &1 does not match the convention; you must implement interface &2 ?

  The SAP error message 5W167 indicates that there is a mismatch in the implementation of an interface in your ABAP code. Specifically, it suggests that a class or a method does not conform to the expected naming conventions or structure defined by the interface it is supposed to implement.
  Cause:
  
  Interface Implementation: The class or method is expected to implement a specific interface, but it does not match the naming conventions or method signatures defined in that interface.
  Naming Convention: The name of the class or method may not follow the required naming conventions as specified in the interface.
  Missing Methods: The class may not have implemented all the required methods defined in the interface.
  Incorrect Interface: The class may be trying to implement an interface that it is not supposed to, or there may be a typo in the interface name.
  
  Solution:
  
  Check Interface Definition: Review the interface definition to understand the required methods and their signatures.
  Implement Missing Methods: Ensure that all methods defined in the interface are implemented in the class.
  Correct Naming: Make sure that the names of the methods in your class match exactly with those defined in the interface, including parameters and return types.
  Review Class Declaration: Ensure that the class is correctly declared to implement the interface. The syntax should be correct, and the interface name should be spelled correctly.
  Recompile: After making the necessary changes, recompile the class to see if the error persists.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP documentation for guidelines on interface implementation and naming conventions.
  SAP Community: Check forums and community discussions for similar issues and solutions shared by other developers.
  Debugging Tools: Use the ABAP debugger to step through the code and identify where the mismatch occurs.
  
  By following these steps, you should be able to resolve the error message 5W167 and ensure that your class correctly implements the specified interface.