I got the following error: \"An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details a
In my case the solution was the next:
Then, verify the Global.asax.cs and I found this:
public class Global_asax : System.Web.HttpApplication
Therefore, I changed the attribute Inherits in my Global.asax, and finally the markup was the next:
Inherits="NameOfMyProject.Global_asax"
Also, I started the: ASP.NET state service, in the Administrative Tools. Then, my app run normally.