How To Fix CHK_ENH270 - Implementation &1 has a method implementation with no matching definition

SAP Error Message - Details

• Message type: E = Error

• Message class: CHK_ENH - Messages for enhancement checks

• Message number: 270

• Message text: Implementation &1 has a method implementation with no matching definition

What causes this issue?

The enhancement implementation &V1& contains method implementations that
do not have a method definition. These probably originate from an
implemented interface that was changed or deleted entirely from the
class.

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?

Check the implementation &V1& in the implementation editor and use the
repair function available there, through pushbutton @37@ beside the
error message.

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 CHK_ENH270 - Implementation &1 has a method implementation with no matching definition ?

  The SAP error message CHK_ENH270 indicates that there is a method implementation in an enhancement that does not have a corresponding method definition in the original class or interface. This typically occurs when an enhancement implementation is created for a method that has either been removed, renamed, or has not been defined in the original class or interface.
  Cause:
  
  Missing Method Definition: The method that the enhancement is trying to implement does not exist in the original class or interface.
  Renamed Method: The method may have been renamed in the original class or interface, leading to a mismatch.
  Incorrect Enhancement Implementation: The enhancement implementation may have been created incorrectly, pointing to a method that is not part of the original definition.
  Transport Issues: If the enhancement was transported from one system to another, there may be inconsistencies in the method definitions between the systems.
  
  Solution:
  
  
  Check Method Definition: Verify that the method you are trying to implement in the enhancement actually exists in the original class or interface. You can do this by checking the class/interface in the ABAP Workbench (SE80 or SE11).
  
  
  Update Enhancement Implementation: If the method has been renamed or removed, you may need to update the enhancement implementation to match the current method definition. This may involve creating a new enhancement implementation for the correct method.
  
  
  Recreate Enhancement: If the enhancement implementation is incorrect, consider deleting it and recreating it for the correct method.
  
  
  Check Transport Requests: If the issue arose after a transport, ensure that all relevant objects (including the original class/interface and the enhancement) have been transported correctly and are in sync.
  
  
  Consult Documentation: Review any documentation or change logs related to the class/interface to understand if there have been any recent changes that could have affected the method definitions.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes SE80 (Object Navigator) or SE11 (Data Dictionary) to check the class/interface and its methods.
  Enhancement Framework: Familiarize yourself with the SAP Enhancement Framework, which allows for modifications and enhancements without changing the original code.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide guidance on similar error messages.
  
  By following these steps, you should be able to resolve the CHK_ENH270 error and ensure that your enhancement implementations are correctly aligned with the method definitions in the original classes or interfaces.