Hi, I am new at Dnn. I downloaded Dnn source code from https://github.com/dnnsoftware/Dnn.Platform. But when after I installed Dnn portal it sended to me this error message Can any one help me? also when I looked file system I didnt find any directory like 'ControlPanel' , I want learn Dnn work system

this is stack trace

at System.Web.UI.Util.CheckVirtualFileExists(VirtualPath virtualPath)

at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate)

at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate)

at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)

at System.Web.UI.TemplateControl.LoadControl(String virtualPath)

at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc) in C:\Codes\2018\DotNetNuke\Dnn.Platform\DNN Platform\Library\UI\ControlUtilities.cs:line 109

at DotNetNuke.UI.Skins.Skin.InjectControlPanel() in C:\Codes\2018\DotNetNuke\Dnn.Platform\DNN Platform\Library\UI\Skins\Skin.cs:line 277

at DotNetNuke.UI.Skins.Skin.OnInit(EventArgs e) in C:\Codes\2018\DotNetNuke\Dnn.Platform\DNN Platform\Library\UI\Skins\Skin.cs:line 590

at System.Web.UI.Control.InitRecursive(Control namingContainer)

at System.Web.UI.Control.AddedControl(Control control, Int32 index)

at System.Web.UI.ControlCollection.Add(Control child)

at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e) in C:\Codes\2018\DotNetNuke\Dnn.Platform\Website\Default.aspx.cs:line 687

at System.Web.UI.Control.InitRecursive(Control namingContainer)

at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)