C# Script Error: Object reference not set to an instance of an object.

Server Error in '/' Application. Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: [login to view URL]: Object reference not set to an instance of an object. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [NullReferenceException: Object reference not set to an instance of an object.] DirectoryGen.Index.Page_Load(Object sender, EventArgs e) +101 [login to view URL](EventArgs e) +108 [login to view URL]() +67 [login to view URL](Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1435 Hi I have a small aspx script that I moved from a 2008 R2 server to a 2016 Server and when I browse to the page I get the following error. I think I'm missing configuring something and need some help, thanks. Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1637.0