Server Error in '/' Application.

Value cannot be null.
Parameter name: source

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: System.ArgumentNullException: Value cannot be null.
Parameter name: source

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:


[ArgumentNullException: Value cannot be null.
Parameter name: source]
   System.Linq.Enumerable.Where(IEnumerable`1 source, Func`2 predicate) +561
   ihc.org.Website.layouts.ihc.directory.Providers.EnterpriseProviders.Page_Load(Object sender, EventArgs e) in D:\Bamboo\BuildAgent02\xml-data\build-dir\SITECORE-S8PCC-JOB1\ihc.org.Website\layouts\ihc\directory\Providers\EnterpriseProviders.ascx.cs:59
   System.Web.UI.Control.OnLoad(EventArgs e) +104
   System.Web.UI.Control.LoadRecursive() +112
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Control.LoadRecursive() +196
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2164


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0