Message type: E = Error
Message class: /BOBF/COM_GENERATOR -
Message number: 227
Message text: Class &1 does not implement interface &2
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.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message
/BOBF/COM_GENERATOR227 Class &1 does not implement interface &2
typically occurs in the context of Business Object Framework (BOF) or Business Object Processing Framework (BOPF) in SAP. This error indicates that a class that is expected to implement a specific interface does not do so, which can lead to issues in the execution of business logic.Cause:
- Missing Implementation: The class specified in the error message (
&1
) does not implement the interface specified (&2
). This can happen if the class was not properly defined or if the interface was changed or removed.- Incorrect Configuration: The configuration of the business object may be incorrect, leading to a mismatch between the expected class and the interface.
- Development Errors: If custom development has been done, there may be errors in the code where the class was supposed to implement the interface but did not.
Solution:
Check Class Implementation:
- Go to the ABAP Workbench (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.Adjust Configuration:
- If the class is part of a business object, check the configuration of the business object in transaction
BOBF
orBOPF
.- Ensure that the correct class is assigned to the business object and that it matches the expected interface.
Review Custom Code:
- If there is custom code involved, review it to ensure that all necessary interfaces are implemented correctly.
- If you have recently made changes, consider reverting those changes to see if the error persists.
Transport Issues:
- If this issue arose after a transport, ensure that all necessary objects were transported correctly. Sometimes, dependencies may not be included in the transport request.
Check for Updates:
- Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes related to this issue.
Related Information:
Transaction Codes:
SE80
(Object Navigator) for checking class definitions.BOBF
(Business Object Framework) for managing business objects.SE11
(Data Dictionary) for checking the structure of the business object.SAP Notes:
Documentation:
By following these steps, you should be able to identify the cause of the error and implement a solution. If the issue persists, consider reaching out to SAP support for further assistance.
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SAP messages fall into 3 different categories: Error messages
(message type = E), Warnings (W) or Informational (I) messages.
An error message will prevent you from continuing your work - it is a hard stop and you need to fix the error before you can proceed. A warning message will stop your work, however, you can then bypass the warning by pressing the Enter key on your keyboard. That said, it is still good practice to investigate the cause of the warning message and address it. An information message will not stop your work and is truly just for informational purposes.
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