The given path's format is not supported.

at System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath) at System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath) at System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList) at System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String[] pathList, Boolean checkForDuplicates, Boolean needFullPath) at System.IO.DirectoryInfo..ctor(String path) at Umbraco.Hive.Providers.IO.EntityRepository.PerformAddOrUpdate(TypedEntity persistedEntity) at Umbraco.Hive.ProviderSupport.AbstractEntityRepository.AddOrUpdate(TypedEntity entity) at Umbraco.Hive.ProviderGrouping.RepositoryGroupExtensions.AddOrUpdate[T](IEnumerable`1 repositories, T item, Uri idRoot) at Umbraco.Hive.ProviderGrouping.EntityRepositoryGroup`1.<>c__DisplayClass1.<AddOrUpdate>b__0() at Umbraco.Framework.Tasks.ApplicationTaskManager.ExecuteInCancellableTask[T](Object eventSource, T taskItem, String preActionTaskTrigger, String postActionTaskTrigger, Action execution, Func`2 preActionEventArgs, Func`2 postActionEventArgs, IFrameworkContext frameworkContext) at Umbraco.Hive.ProviderGrouping.EntityRepositoryGroup`1.ExecuteInCancellableTask(IRelatableEntity entity, String preActionTaskTrigger, String postActionTaskTrigger, Action execution) at Umbraco.Hive.ProviderGrouping.EntityRepositoryGroup`1.AddOrUpdate(TypedEntity entity) at Umbraco.Cms.Web.PropertyEditors.Upload.UploadEditorModel.GetSerializedValue() at Umbraco.Cms.Web.Mapping.ContentPropertyToTypedAttribute.<.ctor>b__2(ContentProperty source, TypedAttribute dest) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.ExecuteAfterMap(TSource source, TTarget target) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.Map(TSource source, TTarget target, MappingExecutionScope scope) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.Map(TSource source, MappingExecutionScope scope) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.Map(TSource source) at Umbraco.Cms.Web.Mapping.ContentEditorModelToTypedEntity`2.<>c__DisplayClassc.<.ctor>b__0(TContentModel source, TTypedEntity dest) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.ExecuteAfterMap(TSource source, TTarget target) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.Map(TSource source, TTarget target, MappingExecutionScope scope) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.Map(TSource source, TTarget target) at Umbraco.Framework.TypeMapping.AbstractTypeMapper`2.Map(Object source, Object target) at Umbraco.Framework.TypeMapping.AbstractFluentMappingEngine.Map(Object source, Object destination, Type sourceType, Type destinationType) at Umbraco.Framework.TypeMapping.MappingEngineCollection.Map(Object source, Object destination, Type sourceType, Type destinationType) at Umbraco.Framework.TypeMapping.AbstractMappingEngine.Map[TSource,TDestination](TSource source, TDestination destination) at Umbraco.Cms.Web.Editors.AbstractRevisionalContentEditorController`1.ProcessSubmit(TEditorModel model, Revision`1 entity, Boolean isRevisional) at Umbraco.Cms.Web.Editors.AbstractRevisionalContentEditorController`1.EditForm(Nullable`1 id, Nullable`1 revisionId) at lambda_method(Closure , ControllerBase , Object[] ) at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)