How To Fix /CFG/DB198 - Class &1 doesn't implement interface &2 , Invalid class

/CFG/DB198 - Overview

• Message type: E = Error

• Message class: /CFG/DB -

• Message number: 198

• Message text: Class &1 doesn't implement interface &2 , Invalid class

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 /CFG/DB198 - Class &1 doesn't implement interface &2 , Invalid class ?

  The SAP error message /CFG/DB198 Class &1 doesn't implement interface &2, Invalid class typically indicates that there is a problem with a class in the SAP system that is expected to implement a specific interface but does not. This can occur in various contexts, such as when working with Business Object Processing Framework (BOPF), Business Workflow, or other object-oriented programming scenarios in SAP.
  
  Cause:
  
  
  Class Definition Issue: The class specified in the error message (&1) does not implement the interface specified (&2). This could be due to:
  
  The class was not properly defined to implement the required interface.
  The interface has been changed or deleted, and the class is no longer compliant.
  There may be a typo in the class or interface name.
  
  
  
  Transport Issues: If the class or interface was recently transported from another system, it may not have been transported correctly, leading to inconsistencies.
  
  
  Version Mismatch: The class might be an older version that does