How To Fix APB_FPM_CORE323 - Class &1 does not implement interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: APB_FPM_CORE - FPM messages

• Message number: 323

• 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 APB_FPM_CORE323 - Class &1 does not implement interface &2 ?

  The SAP error message APB_FPM_CORE323 indicates that a class does not implement a required interface. This error typically occurs in the context of SAP's Floorplan Manager (FPM) or Web Dynpro applications, where certain classes are expected to implement specific interfaces to function correctly.
  Cause:
  
  Missing Implementation: The class specified in the error message does not implement the interface that is required for the application to function properly.
  Incorrect Class Assignment: The class might have been incorrectly assigned in the configuration or might not be the intended class.
  Version Mismatch: There could be a version mismatch between the class and the interface, especially if the class was modified or if the system was upgraded.
  Custom Development Issues: If the class is a custom development, it may not have been implemented correctly according to the required specifications.
  
  Solution:
  
  
  Check Class Implementation:
  
  Verify that the class mentioned in the error message implements the required interface. You can do this by checking the class definition in the ABAP Workbench (SE80 or SE24).
  If the class does not implement the interface, you will need to modify the class to implement it.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the FPM or Web Dynpro application to ensure that the correct class is assigned.
  Make sure that the class is intended for the specific application context.
  
  
  
  Custom Development Review:
  
  If the class is custom, review the code to ensure that it adheres to the interface's contract. Implement any missing methods or properties as required by the interface.
  
  
  
  System Upgrade:
  
  If the issue arose after a system upgrade, check the release notes or documentation for any changes related to the class or interface. You may need to adjust your custom implementations accordingly.
  
  
  
  Testing:
  
  After making the necessary changes, test the application to ensure that the error is resolved and that the application functions as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE24 (Class Builder) to investigate the class and interface.
  Documentation: Refer to SAP documentation for the specific version of the software you are using to understand the expected behavior of the classes and interfaces.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a developer who has experience with FPM and Web Dynpro applications.