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Hi community, I'm currently creating a new app, so theres not much data localy. Now I made some changes to the app and wanted it to restart, but got the following error. It seems to be some kind of null reference, but I can't figure out where to fix it. In the last changes I added e.g. a association to the domain model, but its not required and thus can be null/empty. Any help would be appreciated!   System.AggregateException: One or more errors occurred. (Object reference not set to an instance of an object.) ---> System.NullReferenceException: Object reference not set to an instance of an object.   at Mendix.Modeler.DomainModels.Paths.AttributePath..ctor(EntityPath entityPath, IAttr attribute) in Mendix.Modeler.Core\DomainModels\Paths\AttributePath.cs:line 40   at Mendix.Modeler.WebUI.Export.RetrievalSchemas.RetrievalSchemaCollector.RetrievalSchemaCollectorVisitor.ProcessExpression(MicroflowExpression expression, Trace trace) in Mendix.Modeler.WebUI.Export\RetrievalSchemas\RetrievalSchemaCollector.cs:line 331   at Mendix.Modeler.WebUI.Export.RetrievalSchemas.RetrievalSchemaCollector.RetrievalSchemaCollectorVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\RetrievalSchemas\RetrievalSchemaCollector.cs:line 259   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Visitors.ObjectVisitor.Visit(IDocumentObject startingPoint, Trace initialTrace) in Mendix.Modeler.WebUI.Visitors\ObjectVisitor.cs:line 34   at Mendix.Modeler.WebUI.Export.RetrievalSchemas.RetrievalSchemaCollector.<>c__DisplayClass2_0.<CollectSchema>b__0(IDocumentObject childWidget) in Mendix.Modeler.WebUI.Export\RetrievalSchemas\RetrievalSchemaCollector.cs:line 74   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.RetrievalSchemas.RetrievalSchemaCollector.CollectSchema(IDataSourceContainer root, DataSource dataSource, Boolean forceFullObjects) in Mendix.Modeler.WebUI.Export\RetrievalSchemas\RetrievalSchemaCollector.cs:line 74   at Mendix.Modeler.WebUI.Export.RetrievalSchemas.RetrievalSchemaCollector.CollectSchema(IDataSourceContainer root) in Mendix.Modeler.WebUI.Export\RetrievalSchemas\RetrievalSchemaCollector.cs:line 52   at Mendix.Modeler.WebUI.Export.RuntimeOperationSchemas.RuntimeOperationRegistry.Register(DataSource source, IExportContext context) in Mendix.Modeler.WebUI.Export\RuntimeOperationSchemas\RuntimeOperationRegistry.cs:line 149   at Mendix.Modeler.WebUI.PluginWidgets.PropertyValues.ObjectValues.MicroflowObjectValue.<>c__DisplayClass3_0.<Write>b__0(IJsObjectWriter paramWriter) in Mendix.Modeler.WebUI\PluginWidgets\PropertyValues\ObjectValues\MicroflowObjectValue.cs:line 28   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteProperty(String type, Action`1 paramsWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 49   at Mendix.Modeler.WebUI.PluginWidgets.PropertyValues.ObjectValues.MicroflowObjectValue.Write(IJsWriter writer, IExportContext context) in Mendix.Modeler.WebUI\PluginWidgets\PropertyValues\ObjectValues\MicroflowObjectValue.cs:line 25   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c__DisplayClass1_0.<WriteWidgetJson>b__0(IJsObjectWriter propsWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 26   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.WriteWidgetJson(PluginWidget widget, IJsObjectWriter writer, IWebExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 24   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c.<ExportToWeb>b__0_0(PluginWidget w, IExportContext ctx, IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 15   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_2.<WriteWidgets>b__2(IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_1.<WriteWidgets>b__1(PluginWidget w) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_0.<WriteWidgets>b__0(IJsArrayWriter arr) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 56   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteArray(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 41   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteWidgets(IEnumerable`1 widgets, IExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 55   at Mendix.Modeler.WebUI.PluginWidgets.PropertyValues.NestedWidgetValue.Write(IJsWriter writer, IExportContext context) in Mendix.Modeler.WebUI\PluginWidgets\PropertyValues\NestedWidgetValue.cs:line 44   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c__DisplayClass1_0.<WriteWidgetJson>b__0(IJsObjectWriter propsWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 26   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.WriteWidgetJson(PluginWidget widget, IJsObjectWriter writer, IWebExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 24   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c.<ExportToWeb>b__0_0(PluginWidget w, IExportContext ctx, IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 15   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_2.<WriteWidgets>b__2(IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_1.<WriteWidgets>b__1(PluginWidget w) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_0.<WriteWidgets>b__0(IJsArrayWriter arr) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 56   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteArray(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 41   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteWidgets(IEnumerable`1 widgets, IExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 55   at Mendix.Modeler.WebUI.PluginWidgets.PropertyValues.NestedWidgetValue.Write(IJsWriter writer, IExportContext context) in Mendix.Modeler.WebUI\PluginWidgets\PropertyValues\NestedWidgetValue.cs:line 44   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c__DisplayClass1_0.<WriteWidgetJson>b__0(IJsObjectWriter propsWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 26   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.WriteWidgetJson(PluginWidget widget, IJsObjectWriter writer, IWebExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 24   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c.<ExportToWeb>b__0_0(PluginWidget w, IExportContext ctx, IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 15   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_2.<WriteWidgets>b__2(IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_1.<WriteWidgets>b__1(PluginWidget w) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_0.<WriteWidgets>b__0(IJsArrayWriter arr) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 56   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteArray(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 41   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteWidgets(IEnumerable`1 widgets, IExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 55   at Mendix.Modeler.WebUI.PluginWidgets.PropertyValues.NestedWidgetValue.Write(IJsWriter writer, IExportContext context) in Mendix.Modeler.WebUI\PluginWidgets\PropertyValues\NestedWidgetValue.cs:line 44   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c__DisplayClass1_0.<WriteWidgetJson>b__0(IJsObjectWriter propsWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 26   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.WriteWidgetJson(PluginWidget widget, IJsObjectWriter writer, IWebExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 24   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.<>c.<ExportToWeb>b__0_0(PluginWidget w, IExportContext ctx, IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 15   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_2.<WriteWidgets>b__2(IJsObjectWriter jsonWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteObject(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 34   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_1.<WriteWidgets>b__1(PluginWidget w) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 57   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.<>c__DisplayClass10_0.<WriteWidgets>b__0(IJsArrayWriter arr) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 56   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteArray(Action`1 contentWriter) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 41   at Mendix.Modeler.WebUI.Export.PluginWidgets.JsAsJsonWriter.WriteWidgets(IEnumerable`1 widgets, IExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\JsAsJsonWriter.cs:line 55   at Mendix.Modeler.WebUI.Export.PluginWidgets.PluginWidgetExporter.ExportToWeb(PluginWidget widget, JsonWriter writer, IWebExportContext context) in Mendix.Modeler.WebUI.Export\PluginWidgets\PluginWidgetExporter.cs:line 16   at Mendix.Modeler.WebUI.PluginWidgets.PluginWidget.<>c__DisplayClass34_0.<WriteWidget>b__0(JsonWriter writer) in Mendix.Modeler.WebUI\PluginWidgets\PluginWidget.cs:line 60   at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.GetWidgetProperties(Action`1 writeProperties) in Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 155   at Mendix.Modeler.WebUI.PluginWidgets.PluginWidget.WriteWidget(IFormWriter formWriter, IWebExportContext context) in Mendix.Modeler.WebUI\PluginWidgets\PluginWidget.cs:line 57   at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IWebExportContext context) in Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 105   at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteArgument(String parameterName, IEnumerable`1 widgets) in Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 82   at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteArguments(IDictionary`2 arguments) in Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 296   at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.<>c__DisplayClass23_0.<Write>b__0() in Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 186   at Mendix.Modeler.Common.ResolveCache.TrackResolves(Action code) in Mendix.Modeler.Core\Common\Problems\ResolveCache.cs:line 92   at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.Write() in Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 177   at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.<>c__DisplayClass5_2.<ExportForms>b__3() in Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 92   at Mendix.Modeler.Common.ResolveCache.TrackResolves(Action code) in Mendix.Modeler.Core\Common\Problems\ResolveCache.cs:line 92   at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.<>c__DisplayClass5_1.<ExportForms>b__2() in Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 91   at Mendix.Modeler.Common.ResolveCache.WithCache[T](IProject project, Func`1 action) in Mendix.Modeler.Core\Common\Problems\ResolveCache.cs:line 62   at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.<>c__DisplayClass5_0.<ExportForms>b__1(IDocument document) in Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 81   at Mendix.Modeler.Projects.Changes.ChangedDocumentsProcessor`1.<>c__DisplayClass6_0.<ProcessChangedDocuments>g__DoProcess|2(IDocument document) in Mendix.Modeler.Core\Projects\Changes\ChangedDocumentsProcessor.cs:line 83   at System.Linq.Parallel.ForAllOperator`1.ForAllEnumerator`1.MoveNext(TInput& currentElement, Int32& currentKey)   at System.Linq.Parallel.ForAllSpoolingTask`2.SpoolingWork()   at System.Linq.Parallel.SpoolingTaskBase.Work()   at System.Linq.Parallel.QueryTask.BaseWork(Object unused)   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)--- End of stack trace from previous location ---   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)   --- End of inner exception stack trace ---   at System.Linq.Parallel.QueryTaskGroupState.QueryEnd(Boolean userInitiatedDispose)   at System.Linq.Parallel.SpoolingTask.SpoolForAll[TInputOutput,TIgnoreKey](QueryTaskGroupState groupState, PartitionedStream`2 partitions, TaskScheduler taskScheduler)   at System.Linq.Parallel.MergeExecutor`1.Execute[TKey](PartitionedStream`2 partitions, Boolean ignoreOutput, ParallelMergeOptions options, TaskScheduler taskScheduler, Boolean isOrdered, CancellationState cancellationState, Int32 queryId)   at System.Linq.Parallel.PartitionedStreamMerger`1.Receive[TKey](PartitionedStream`2 partitionedStream)   at System.Linq.Parallel.ForAllOperator`1.WrapPartitionedStream[TKey](PartitionedStream`2 inputStream, IPartitionedStreamRecipient`1 recipient, Boolean preferStriping, QuerySettings settings)   at System.Linq.Parallel.UnaryQueryOperator`2.UnaryQueryOperatorResults.ChildResultsRecipient.Receive[TKey](PartitionedStream`2 inputStream)   at System.Linq.Parallel.ScanQueryOperator`1.ScanEnumerableQueryOperatorResults.GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)   at System.Linq.Parallel.UnaryQueryOperator`2.UnaryQueryOperatorResults.GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)   at System.Linq.Parallel.QueryOperator`1.GetOpenedEnumerator(Nullable`1 mergeOptions, Boolean suppressOrder, Boolean forEffect, QuerySettings querySettings)   at System.Linq.Parallel.ForAllOperator`1.RunSynchronously()   at Mendix.Modeler.Projects.Changes.ChangedDocumentsProcessor`1.ProcessChangedDocuments(IProject project, ProjectChanges projectChanges, Func`2 processDocument) in Mendix.Modeler.Core\Projects\Changes\ChangedDocumentsProcessor.cs:line 75   at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.ExportForms(IProject project, Boolean updateRunningProject) in Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 62   at Mendix.Modeler.WebUI.Deployment.WebUIDeploymentWorker.ExportPages(IProject project, IProgressInfo info, Boolean updateRunningProject) in Mendix.Modeler.WebUI\Deployment\WebUIDeploymentWorker.cs:line 209   at Mendix.Modeler.WebUI.Deployment.WebUIDeploymentWorker.DoWork(DeploymentPhase phase, IProject project, DeploymentSettings settings, IProgressInfo info) in Mendix.Modeler.WebUI\Deployment\WebUIDeploymentWorker.cs:line 109   at Mendix.Modeler.Deployment.DeploymentProcessBuilder.ExecuteDeploymentWorkForPhase(DeploymentPhase phase, IProject project, DeploymentSettings settings, IProgressInfo info) in Mendix.Modeler.Deployment\DeploymentProcessBuilder.cs:line 210   at Mendix.Modeler.Deployment.DeploymentProcessBuilder.<>c__DisplayClass16_1.<AddBuildStepWithOverride>b__2() in Mendix.Modeler.Deployment\DeploymentProcessBuilder.cs:line 176   at Mendix.Modeler.Projects.ProjectStructureManager.<>c__DisplayClass2_0.<DoWithOverride>b__0() in Mendix.Modeler.Core\Projects\ProjectStructureManager.cs:line 40   at Mendix.Modeler.Projects.ProjectStructureManager.Do[T](IProject projectOverride, Func`1 action) in Mendix.Modeler.Core\Projects\ProjectStructureManager.cs:line 60   at Mendix.Modeler.Projects.ProjectStructureManager.DoWithOverride(IProject projectOverride, Action action) in Mendix.Modeler.Core\Projects\ProjectStructureManager.cs:line 38   at Mendix.Modeler.Deployment.DeploymentProcessBuilder.<>c__DisplayClass16_1.<AddBuildStepWithOverride>b__1() in Mendix.Modeler.Deployment\DeploymentProcessBuilder.cs:line 175   at Mendix.Modeler.ProtectedModules.ProtectedModulesUnlocker.<>c__DisplayClass3_0.<Do>b__0() in Mendix.Modeler.Core\ProtectedModules\ProtectedModulesUnlocker.cs:line 22   at Mendix.Modeler.ProtectedModules.ProtectedModulesUnlocker.ExecuteInContext[T](Boolean unlockImplementation, Func`1 code) in Mendix.Modeler.Core\ProtectedModules\ProtectedModulesUnlocker.cs:line 42   at Mendix.Modeler.ProtectedModules.ProtectedModulesUnlocker.Do(Boolean unlockImplementation, Action action) in Mendix.Modeler.Core\ProtectedModules\ProtectedModulesUnlocker.cs:line 20   at Mendix.Modeler.Deployment.DeploymentProcessBuilder.<>c__DisplayClass16_0.<AddBuildStepWithOverride>b__0(IProgressInfo info) in Mendix.Modeler.Deployment\DeploymentProcessBuilder.cs:line 174   at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.<>c__DisplayClass2_1.<AddStep>b__1() in Mendix.Modeler.Deployment\FileIOExceptionHandlingProcess.cs:line 22   at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.CatchDiskException(Action action) in Mendix.Modeler.Deployment\FileIOExceptionHandlingProcess.cs:line 31   at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.<>c__DisplayClass2_0.<AddStep>b__0(IProgressInfo info) in Mendix.Modeler.Deployment\FileIOExceptionHandlingProcess.cs:line 22   at Mendix.Modeler.Utility.Progress.StepBase`1.Run(TProgressInfo info) in Mendix.Modeler.Utility\Progress\Step.cs:line 31   at Mendix.Modeler.Utility.Progress.StepBase`1.Mendix.Modeler.Utility.Progress.IStep.Run(Object progressInfo) in Mendix.Modeler.Utility\Progress\Step.cs:line 36   at Mendix.Modeler.UIFramework.Progress.ProcessRunner.RunStep(IStep step) in Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 169   at Mendix.Modeler.UIFramework.Progress.ProcessRunner.OnDoWork(Object sender, DoWorkEventArgs e) in Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 80   at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)--- End of stack trace from previous location ---   at Mendix.Modeler.UIFramework.Progress.ProcessRunner.Run() in Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 56   at Mendix.Modeler.Deployment.Deployer.RunProcess(IProcess process, String what, Boolean isPackage) in Mendix.Modeler.Deployment\Deployer.cs:line 92

asked 2025-04-02

1 answers