How To Fix /IWBEP/SBUI013 - Class '&1' cannot be used; interface '&2' is not implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBUI -

• Message number: 013

• Message text: Class '&1' cannot be used; interface '&2' is not implemented

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 /IWBEP/SBUI013 - Class '&1' cannot be used; interface '&2' is not implemented ?

  The SAP error message /IWBEP/SBUI013 Class '&1' cannot be used; interface '&2' is not implemented typically occurs in the context of SAP Gateway and OData services. This error indicates that a specific class (represented by &1) is expected to implement a certain interface (represented by &2), but it does not. This can prevent the class from being used in the context where the interface is required.
  Cause:
  
  Missing Interface Implementation: The class defined in the error message does not implement the required interface. This can happen if the class was not properly defined or if the interface was changed or removed.
  Incorrect Class Configuration: The class may not be correctly configured in the SAP Gateway service or the OData service.
  Transport Issues: If the class was transported from another system, the transport might not have included all necessary components, leading to missing implementations.
  
  Solution:
  
  
  Check Class Implementation:
  
  Go to the ABAP Workbench (transaction SE80) and check the class mentioned in the error message.
  Ensure that the class implements the required interface. You can do this by checking the class definition and ensuring that the interface is listed in the "Interfaces" section.
  
  
  
  Implement Missing Interface:
  
  If the interface is not implemented, you will need to implement it in the class. This may involve adding methods defined in the interface to the class.
  
  
  
  Reconfigure OData Service:
  
  If the class is correctly implemented but the error persists, check the OData service configuration in transaction /IWFND/MAINT_SERVICE.
  Ensure that the service is correctly registered and that the class is associated with the service.
  
  
  
  Check Transport Requests:
  
  If the class was transported, ensure that all related objects (including interfaces) were included in the transport request. You may need to re-transport the missing components.
  
  
  
  Activate the Class and Service:
  
  After making changes, ensure that you activate the class and the OData service. You can do this in transaction SE80 or by using the activation options in the service maintenance transaction.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace where the error occurs. This can provide more context on why the interface is not being recognized.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Documentation: Review the SAP Gateway and OData documentation for best practices on implementing classes and interfaces.
  Community Forums: Consider searching or posting on SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and ensure that the class can be used as intended in your SAP environment.