Error: Build error in BugTracker.NET

Question

I have BugTracker.NET application. Once i am going to build there is an error as below:- IT IS AN ERROR TO USE A SECTION REGISTERED AS ALLOWDEFINITION='MACHINETOAPPLICATION' BEYOND APPLICATION LEVEL

 

 

Please find my source code with this attachment.  Do Run in your system.  If code runs successfully please help me out. 

 

Please help me out.

Thanks