Resolved: An unexpected error with a provider-hosted app for SharePoint
Scenario: You developed and hosted an ASP.NET MVC site on IIS and planning to consume this provider-hosted app in SharePoint. When accessing standalone, the MVC site is working fine but when installing and called from SharePoint, it throws an error “An unexpected error has occurred. Please try again by launching the app installed on your … Resolved: An unexpected error with a provider-hosted app for SharePoint