How To Fix SWN001 - &1 does not satisfy the convention. Interface &2 must be implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: SWN - WF Notif: Messages

• Message number: 001

• Message text: &1 does not satisfy the convention. Interface &2 must be 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 SWN001 - &1 does not satisfy the convention. Interface &2 must be implemented ?

  The SAP error message SWN001 typically indicates that there is an issue with the implementation of a specific interface in the context of SAP's workflow notifications. This error arises when a certain object (like a class or a function module) does not conform to the expected naming conventions or does not implement the required interface.
  Cause:
  
  Naming Convention Violation: The object (e.g., class or function module) does not follow the naming conventions expected by the SAP system. This could be due to incorrect prefixes or suffixes.
  Missing Interface Implementation: The object is expected to implement a specific interface, but it either does not implement it or is not correctly defined.
  Transport Issues: If the object was transported from another system, it might not have been properly activated or might be missing dependencies.
  
  Solution:
  
  Check Naming Conventions: Ensure that the object name adheres to the SAP naming conventions. For example, classes should typically start with a specific prefix (like Z or Y for custom objects).
  Implement Required Interface: Verify that the object implements the required interface. You can do this by checking the class or function module definition in the ABAP Workbench (transaction SE80 or SE24).
  Activate the Object: If the object was recently created or transported, make sure it is activated. You can do this in the ABAP Workbench.
  Check Dependencies: Ensure that all dependencies for the object are met. This includes checking for any other classes or interfaces that need to be implemented or activated.
  Review Documentation: Consult the SAP documentation or notes related to the specific interface to ensure that all requirements are met.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator), SE24 (Class Builder), or SE37 (Function Module) to check the implementation of the object.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional context.
  Debugging: If the issue persists, consider debugging the workflow or the specific process that triggers this error to gather more insights.
  
  By following these steps, you should be able to identify and resolve the issue causing the SWN001 error message in your SAP system.