Send the following on WhatsApp
Continue to ChatASP.Net MVC - resolved error - No assembly found containing an OwinStartupAttribute No assembly found containing a Startup or [AssemblyName].Startup class. https://knowledge-junction.in/2019/09/27/asp-net-mvc-resolved-error-no-assembly-found-containing-an-owinstartupattribute-no-assembly-found-containing-a-startup-or-assemblyname-startup-class/