GetSites, Object reference not set to an instance of an object.!

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at SOS.SisterSites.DataAccess.SiteDAL.GetSites() in D:\MS Projects\SOS.SisterSites\Source\SOS.SisterSites.DataAccess\SiteDAL.cs:line 94 at SOS.SisterSites.BusinessDomain.SiteBLL.GetSites() in D:\MS Projects\SOS.SisterSites\Source\SOS.SisterSites.BusinessDomain\SiteBLL.cs:line 36 at SOS.SisterSites.BusinessFacade.SiteController.GetSites() in D:\MS Projects\SOS.SisterSites\Source\SOS.SisterSites.BusinessFacade\SiteController.cs:line 39 at Sites.GetAllSites() in c:\Websites\wwwroot\SisterSites\App_Code\Sites.cs:line 69 at UrlManager.main() in c:\Websites\wwwroot\SisterSites\App_Code\UrlManager.cs:line 38 at ASP.global_asax.Application_BeginRequest(Object sender, EventArgs e) in c:\Websites\wwwroot\SisterSites\Global.asax:line 21 at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)