Dear all,

I get the following error message after updating from 1.5.3 to 1.6.2 in VS2017.
Maybe you are able to give me any tip.

German:
Der Typ "dotless.Core.configuration.WebConfigConfigurationLoader" in der Assembly "dotless.Core, Version=1.6.2.0, Culture=neutral, PublicKeyToken=96b446c9e63eae34" konnte nicht geladen werden.

English
The type "dotless.Core.configuration.WebConfigConfigurationLoader" of the assembly "dotless.Core, Version=1.6.2.0, Culture=neutral, PublicKeyToken=96b446c9e63eae34" could not be loaded.

[TypeLoadException: Der Typ "dotless.Core.configuration.WebConfigConfigurationLoader" in der Assembly "dotless.Core, Version=1.6.2.0, Culture=neutral, PublicKeyToken=96b446c9e63eae34" konnte nicht geladen werden.]
System.Web.Optimization.LessTransform.Process(IEnumerable1& files) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\LessTransform.cs:142 System.Web.Optimization.<>c__DisplayClass3_0.<GetFileDependencies>b__1(String s) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\DependencyCache.cs:72 System.Collections.Concurrent.ConcurrentDictionary2.GetOrAdd(TKey key, Func2 valueFactory) +72 System.Web.Optimization.DependencyCache.GetFileDependencies(Bundle bundle, String virtualPath, BundleContext context) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\DependencyCache.cs:81 System.Web.Optimization.<>c__DisplayClass1_0.<GetTransientBundleFilesKey>b__0(BundleFile file) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\DependencyCache.cs:29 System.Linq.<SelectManyIterator>d__172.MoveNext() +188
System.Linq.d__641.MoveNext() +306 System.Linq.WhereSelectEnumerableIterator2.MoveNext() +87
System.Linq.WhereEnumerableIterator1.MoveNext() +170 System.Linq.Buffer1..ctor(IEnumerable1 source) +133 System.Linq.Enumerable.ToArray(IEnumerable1 source) +77
System.Web.Optimization.DependencyCache.ComposeTransientFilesKey(IEnumerable1 paths) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\DependencyCache.cs:112 System.Web.Optimization.DependencyCache.GetTransientBundleFilesKey(Bundle bundle, BundleContext context) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\DependencyCache.cs:27 System.Web.Optimization.DynamicBundle.GetCacheKey(BundleContext context) in C:\Users\Scott\Documents\GitHub\scott-xu\System.Web.Optimization.Less\System.Web.Optimization.Less\DynamicBundle.cs:48 System.Web.Optimization.HttpContextCache.Get(BundleContext context, Bundle bundle) +36 System.Web.Optimization.Bundle.CacheLookup(BundleContext context) +44 System.Web.Optimization.Bundle.GetBundleResponse(BundleContext context) +21 System.Web.Optimization.BundleResolver.GetBundleContents(String virtualPath) +166 System.Web.Optimization.AssetManager.DeterminePathsToRender(IEnumerable1 assets) +205
System.Web.Optimization.AssetManager.RenderExplicit(String tagFormat, String[] paths) +35
System.Web.Optimization.Styles.RenderFormat(String tagFormat, String[] paths) +107
System.Web.Optimization.Styles.Render(String[] paths) +21
ASP._Page_Views_Shared__Layout_WithoutMenu_cshtml.Execute() in C:\work\CMC-GPS\BPS\ECPWeb\Views\Shared_Layout_WithoutMenu.cshtml:17
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +105
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +90
System.Web.WebPages.<>c__DisplayClass40_0.b__0(TextWriter writer) +232
System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +10
System.Web.WebPages.WebPageBase.Write(HelperResult result) +80
System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action1 body) +63 System.Web.WebPages.WebPageBase.PopContext() +237 System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +98 System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +256 System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +107 System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +291 System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +13 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +56
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +420 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +420
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList1 filters, ActionResult actionResult) +52 System.Web.Mvc.Async.<>c__DisplayClass3_6.<BeginInvokeAction>b__3() +198 System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__5(IAsyncResult asyncResult) +100 System.Web.Mvc.Async.WrappedAsyncResult1.CallEndDelegate(IAsyncResult asyncResult) +10
System.Web.Mvc.Async.WrappedAsyncResultBase1.End() +49 System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +27 System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +11 System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +29
System.Web.Mvc.Async.WrappedAsyncResultBase1.End() +49 System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +45 System.Web.Mvc.<>c.<BeginExecute>b__151_2(IAsyncResult asyncResult, Controller controller) +13 System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +22
System.Web.Mvc.Async.WrappedAsyncResultBase1.End() +49 System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +26 System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10 System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +28 System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +29
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +28
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9748665
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +48
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +159