System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Threading.Tasks.TaskSchedulerException: An exception was thrown by a TaskScheduler. ---> System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
   at System.Threading.Thread.StartInternal(IPrincipal principal, StackCrawlMark& stackMark)
   at System.Threading.Thread.Start(StackCrawlMark& stackMark)
   at System.Threading.Thread.Start(Object parameter)
   at System.Threading.Tasks.ThreadPoolTaskScheduler.QueueTask(Task task)
   at System.Threading.Tasks.Task.ScheduleAndStart(Boolean needsProtection)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ScheduleAndStart(Boolean needsProtection)
   at System.Threading.Tasks.Task.InternalStartNew(Task creatingTask, Delegate action, Object state, CancellationToken cancellationToken, TaskScheduler scheduler, TaskCreationOptions options, InternalTaskOptions internalOptions, StackCrawlMark& stackMark)
   at System.Threading.Tasks.TaskFactory.StartNew(Action action, CancellationToken cancellationToken, TaskCreationOptions creationOptions, TaskScheduler scheduler)
   at Serilog.Sinks.Async.BackgroundWorkerSink..ctor(ILogEventSink pipeline, Int32 bufferCapacity, Boolean blockWhenFull, IAsyncLogEventSinkMonitor monitor)
   at Serilog.LoggerConfigurationAsyncExtensions.<>c__DisplayClass2_0.<Async>b__0(ILogEventSink wrappedSink)
   at Serilog.Configuration.LoggerSinkConfiguration.Wrap(LoggerSinkConfiguration loggerSinkConfiguration, Func`2 wrapSink, Action`1 configureWrappedSink, LogEventLevel restrictedToMinimumLevel, LoggingLevelSwitch levelSwitch)
   at Serilog.LoggerConfigurationAsyncExtensions.Async(LoggerSinkConfiguration loggerSinkConfiguration, Action`1 configure, IAsyncLogEventSinkMonitor monitor, Int32 bufferSize, Boolean blockWhenFull)
   at Umbraco.Core.Logging.Serilog.LoggerConfigExtensions.File(LoggerSinkConfiguration configuration, ITextFormatter formatter, String path, LogEventLevel restrictedToMinimumLevel, LoggingLevelSwitch levelSwitch, Nullable`1 fileSizeLimitBytes, Nullable`1 flushToDiskInterval, RollingInterval rollingInterval, Boolean rollOnFileSizeLimit, Nullable`1 retainedFileCountLimit, Encoding encoding)
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Serilog.Settings.KeyValuePairs.KeyValuePairSettings.ApplyDirectives(List`1 directives, IList`1 configurationMethods, Object loggerConfigMethod, IReadOnlyDictionary`2 declaredSwitches)
   at Serilog.Settings.KeyValuePairs.KeyValuePairSettings.Configure(LoggerConfiguration loggerConfiguration)
   at Serilog.Configuration.LoggerSettingsConfiguration.Settings(ILoggerSettings settings)
   at Serilog.Configuration.LoggerSettingsConfiguration.KeyValuePairs(IEnumerable`1 settings)
   at Serilog.Settings.AppSettings.AppSettingsSettings.Configure(LoggerConfiguration loggerConfiguration)
   at Serilog.Configuration.LoggerSettingsConfiguration.Settings(ILoggerSettings settings)
   at Serilog.AppSettingsLoggerConfigurationExtensions.AppSettings(LoggerSettingsConfiguration settingConfiguration, String settingPrefix, String filePath)
   at Umbraco.Core.Logging.Serilog.LoggerConfigExtensions.ReadFromConfigFile(LoggerConfiguration logConfig)
   at Umbraco.Core.Logging.Serilog.SerilogLogger.CreateWithDefaultConfiguration()
   at Imade.Speedadmin.Web.Services.TeacherService..ctor()
   at ASP._Page_Views_MacroPartials_Speedware_SPWI_Teachers_cshtml.Execute() in d:\web\localuser\ulsteinkultursk.no\public_html\Views\MacroPartials\Speedware\SPWI_Teachers.cshtml:line 36
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance)
   at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Web.Mvc.ControllerExtensions.RenderViewResultAsString(ControllerBase controller, ViewResultBase viewResult)
   at Umbraco.Web.Macros.PartialViewMacroEngine.Execute(MacroModel macro, IPublishedContent content)
   at Umbraco.Web.Macros.MacroRenderer.<>c__DisplayClass17_0.<ExecuteMacroOfType>b__0()
   at Umbraco.Web.Macros.MacroRenderer.ExecuteProfileMacroWithErrorWrapper(MacroModel macro, String msgIn, Func`1 getMacroContent, Func`1 msgErr)
   at Umbraco.Web.Macros.MacroRenderer.ExecuteMacroWithErrorWrapper(MacroModel macro, String msgIn, String msgOut, Func`1 getMacroContent, Func`1 msgErr)
   at Umbraco.Web.Macros.MacroRenderer.ExecuteMacroOfType(MacroModel model, IPublishedContent content)
   at Umbraco.Web.Macros.MacroRenderer.Render(MacroModel macro, IPublishedContent content, IDictionary pageElements)
   at Umbraco.Web.Macros.MacroRenderer.Render(String macroAlias, IPublishedContent content, IDictionary`2 macroParams)
   at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(IPublishedContent content, String alias, IDictionary`2 parameters)
   at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(Int32 contentId, String alias, IDictionary`2 parameters)
   at Umbraco.Web.UmbracoHelper.RenderMacro(String alias, IDictionary`2 parameters)
   at ASP._Page_Views_Partials_grid_editors_Macro_cshtml.Execute() in d:\web\localuser\ulsteinkultursk.no\public_html\Views\Partials\grid\editors\Macro.cshtml:line 15
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance)
   at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model)
   at ASP._Page_Views_Partials_grid_editors_Base_cshtml.Execute() in d:\web\localuser\ulsteinkultursk.no\public_html\Views\Partials\grid\editors\Base.cshtml:line 20