017-FrontDoor/Coach/Resources/ContosoMasks.com/ContosoMasks.ServiceHost/Views/Shared/Error.cshtml
021-IdentityForApps/Student/Resources/HarnessApp/Views/Shared/Error.cshtml

017-FrontDoor/Coach/Resources/ContosoMasks.com/ContosoMasks.ServiceHost/Startup.cs
021-IdentityForApps/Student/Resources/HarnessApp/Startup.cs