Error/cancelation during deletion of class/interface &1

What causes this issue?

As part of the generation of the current SIW project, a class or an
interface should be deleted. The deletion failed.

System Response

The class or interface still exists in the system.

How to fix this error?

Check if the application log contains more detailed information.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.