How To Fix SWF_RUN660 - System error: Method &1->&2 not implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RUN - Workflow Runtime System

• Message number: 660

• Message text: System error: Method &1->&2 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 SWF_RUN660 - System error: Method &1->&2 not implemented ?

  The SAP error message SWF_RUN660, which states "System error: Method &1->&2 not implemented," typically occurs in the context of workflow processing. This error indicates that a method that is expected to be implemented in a class or interface is not available or has not been defined. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Implementation: The method referenced in the error message (indicated by &1 and &2) is not implemented in the corresponding class or interface. This can happen if the workflow was designed to call a method that has not been coded.
  Incorrect Configuration: The workflow might be incorrectly configured, pointing to a method that does not exist or is not accessible in the current context.
  Transport Issues: If the workflow was transported from one system to another, the method might not have been included in the transport request.
  Version Mismatch: There may be a version mismatch between the