ASP.Net MVC - resolved error - No assembly found containing an OwinStartupAttribute No assembly found containing a Startup or [AssemblyName].Startup class. OWIN OWIN Framework
This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".