How To Fix R7I081 - Class &1 does not support interface &2 or interface &3

SAP Error Message - Details

• Message type: E = Error

• Message class: R7I - InfoProvider

• Message number: 081

• Message text: Class &1 does not support interface &2 or interface &3

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 R7I081 - Class &1 does not support interface &2 or interface &3 ?

  The SAP error message R7I081 indicates that a specific class does not support the required interface(s). This typically occurs in the context of ABAP programming or when working with Business Object Processing Framework (BOPF) or similar object-oriented programming scenarios in SAP.
  Cause:
  
  Class Definition: The class specified in the error message does not implement the required interface(s). This can happen if the class was not designed to fulfill the contract defined by the interface.
  Incorrect Class Usage: The class might be used in a context where the interface is expected, but the class does not implement it.
  Version Mismatch: There may be a version mismatch between the class and the interface, especially if the interface has been updated but the class has not been modified accordingly.
  Configuration Issues: Sometimes, configuration settings in the system may lead to this error if the class is not properly registered or recognized.
  
  Solution:
  
  Check Class Implementation: Verify that the class specified in the error message implements the required interface(s). You can do this by checking the class definition in the ABAP Workbench (transaction SE80 or SE24).
  Implement Missing Interfaces: If the class does not implement the required interface(s), you may need to modify the class to implement them. This involves adding the necessary methods defined in the interface.
  Review Usage Context: Ensure that the class is being used in the correct context where the interface is expected. If the class is not intended to implement the interface, consider using a different class that does.
  Check for Updates: If the interface has been updated, ensure that the class is also updated to comply with the new version of the interface.
  Consult Documentation: Review the SAP documentation related to the specific class and interface to understand their intended use and any dependencies.
  Debugging: If the issue persists, consider debugging the code to trace where the error occurs and gather more context about the failure.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE24 (Class Builder) to inspect the class and interface definitions.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific class or interface.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar cases encountered by other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.