I have upgraded my project to 6.8.0 without errors, but when I try to run the project locally though the modeler I get the following error during the stage 'Generating files...'. Does anyone know what this issue might be?
System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataSources.MicroflowSource.<>c.<writeproperties>b__21_0(ParameterResolution p) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataSources\MicroflowSource.cs:line 134 at System.Linq.Enumerable.WhereSelectArrayIterator2.MoveNext() at Mendix.Modeler.WebUI.Util.EnumerableExtensions.ForEach[T](IEnumerable
1 source, Action1 action) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Util\EnumerableExtensions.cs:line 27 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataSources.MicroflowSource.WriteProperties(IExportContext context, JsonWriter writer) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataSources\MicroflowSource.cs:line 133 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteDataSourceProperties(JsonWriter writer, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 132 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteWidgetProperties(JsonWriter writer, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 112 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.GetWidgetProperties(Action
1 writeProperties) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 116 at Mendix.Modeler.WebUI.Forms.Widgets.Widget.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\Widget.cs:line 56 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 105 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 74 at Mendix.Modeler.WebUI.Forms.Widgets.LayoutWidgets.Tables.TableCell.WriteTemplate(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\LayoutWidgets\Tables\TableCell.cs:line 178 at Mendix.Modeler.WebUI.Forms.Widgets.LayoutWidgets.Tables.Table.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\LayoutWidgets\Tables\Table.cs:line 292 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 74 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteTemplate(IExportContext context, Guid widgetID, String templateName, Action writeTemplate) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 106 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataViews.DataView.WriteTemplates(FormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataViews\DataView.cs:line 207 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteTemplates() in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 65 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.Write() in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 150 at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.<>c__DisplayClass5_0.<exportforms>b__3(<>f__AnonymousType103 x) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 52 at System.Linq.Parallel.ForAllOperator
1.ForAllEnumerator1.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.Tasks.Task.Execute() --- End of inner exception stack trace --- at System.Linq.Parallel.QueryTaskGroupState.QueryEnd(Boolean userInitiatedDispose) at System.Linq.Parallel.DefaultMergeHelper2.System.Linq.Parallel.IMergeHelper<TInputOutput>.Execute() at System.Linq.Parallel.MergeExecutor
1.ExecuteTKey at System.Linq.Parallel.IndexedSelectQueryOperator2.WrapPartitionedStream[TKey](PartitionedStream
2 inputStream, IPartitionedStreamRecipient1 recipient, Boolean preferStriping, QuerySettings settings) at System.Linq.Parallel.UnaryQueryOperator
2.UnaryQueryOperatorResults.ChildResultsRecipient.Receive[TKey](PartitionedStream2 inputStream) at System.Linq.Parallel.ScanQueryOperator
1.ScanEnumerableQueryOperatorResults.GivePartitionedStream(IPartitionedStreamRecipient1 recipient) at System.Linq.Parallel.UnaryQueryOperator
2.UnaryQueryOperatorResults.GivePartitionedStream(IPartitionedStreamRecipient1 recipient) at System.Linq.Parallel.UnaryQueryOperator
2.UnaryQueryOperatorResults.GivePartitionedStream(IPartitionedStreamRecipient1 recipient) at System.Linq.Parallel.UnaryQueryOperator
2.UnaryQueryOperatorResults.GivePartitionedStream(IPartitionedStreamRecipient1 recipient) at System.Linq.Parallel.QueryOperator
1.GetOpenedEnumerator(Nullable1 mergeOptions, Boolean suppressOrder, Boolean forEffect, QuerySettings querySettings) at System.Linq.Parallel.ForAllOperator
1.RunSynchronously() at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.ExportForms(IProject project, Boolean updateRunningProject) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 42 at Mendix.Modeler.WebUI.Deployment.WebUIDeploymentWorker.GenerateFiles(IProject project, IProgressInfo info, Boolean updateRunningProject) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Deployment\WebUIDeploymentWorker.cs:line 150 at Mendix.Modeler.WebUI.Deployment.WebUIDeploymentWorker.DoWork(DeploymentPhase phase, IProject project, DeploymentSettings settings, IProgressInfo info) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Deployment\WebUIDeploymentWorker.cs:line 42 at Mendix.Modeler.Deployment.DeploymentProcessBuilder.<>c__DisplayClass10_0.<addbuildstepsforphase>b__0(IProgressInfo info) in C:\jenkins\workspace\Modeler-Build\Mendix.Modeler.Core\Deployment\DeploymentProcessBuilder.cs:line 120 at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.CatchDiskException(Action action) in C:\jenkins\workspace\Modeler-Build\Mendix.Modeler.Core\Deployment\FileIOExceptionHandlingProcess.cs:line 28 at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.<>c__DisplayClass1_0.<addstep>b__0(IProgressInfo info) in C:\jenkins\workspace\Modeler-Build\Mendix.Modeler.Core\Deployment\FileIOExceptionHandlingProcess.cs:line 19 at Mendix.Modeler.Utility.Progress.ProcessRunner.RunStep(Step step) in C:\jenkins\workspace\Modeler-Build\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 87 at Mendix.Modeler.Utility.Progress.ProcessRunner.worker_DoWork(Object sender, DoWorkEventArgs e) in C:\jenkins\workspace\Modeler-Build\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 67 at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e) at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument) ---> (Inner Exception #0) System.NullReferenceException: Object reference not set to an instance of an object. at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataSources.MicroflowSource.<>c.<writeproperties>b__21_0(ParameterResolution p) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataSources\MicroflowSource.cs:line 134 at System.Linq.Enumerable.WhereSelectArrayIterator2.MoveNext() at Mendix.Modeler.WebUI.Util.EnumerableExtensions.ForEach[T](IEnumerable
1 source, Action1 action) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Util\EnumerableExtensions.cs:line 27 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataSources.MicroflowSource.WriteProperties(IExportContext context, JsonWriter writer) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataSources\MicroflowSource.cs:line 133 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteDataSourceProperties(JsonWriter writer, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 132 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteWidgetProperties(JsonWriter writer, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 112 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.GetWidgetProperties(Action
1 writeProperties) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 116 at Mendix.Modeler.WebUI.Forms.Widgets.Widget.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\Widget.cs:line 56 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 105 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 74 at Mendix.Modeler.WebUI.Forms.Widgets.LayoutWidgets.Tables.TableCell.WriteTemplate(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\LayoutWidgets\Tables\TableCell.cs:line 178 at Mendix.Modeler.WebUI.Forms.Widgets.LayoutWidgets.Tables.Table.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\LayoutWidgets\Tables\Table.cs:line 292 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 74 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteTemplate(IExportContext context, Guid widgetID, String templateName, Action writeTemplate) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 106 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataViews.DataView.WriteTemplates(FormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataViews\DataView.cs:line 207 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteTemplates() in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 65 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.Write() in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 150 at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.<>c__DisplayClass5_0.<exportforms>b__3(<>f__AnonymousType103 x) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 52 at System.Linq.Parallel.ForAllOperator
1.ForAllEnumerator1.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.Tasks.Task.Execute()<------> (Inner Exception #1) System.NullReferenceException: Object reference not set to an instance of an object. at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataSources.MicroflowSource.<>c.<writeproperties>b__21_0(ParameterResolution p) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataSources\MicroflowSource.cs:line 134 at System.Linq.Enumerable.WhereSelectArrayIterator
2.MoveNext() at Mendix.Modeler.WebUI.Util.EnumerableExtensions.ForEach[T](IEnumerable
1 source, Action1 action) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Util\EnumerableExtensions.cs:line 27 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataSources.MicroflowSource.WriteProperties(IExportContext context, JsonWriter writer) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataSources\MicroflowSource.cs:line 133 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteDataSourceProperties(JsonWriter writer, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 132 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteWidgetProperties(JsonWriter writer, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 112 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.GetWidgetProperties(Action
1 writeProperties) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 116 at Mendix.Modeler.WebUI.Forms.Widgets.Widget.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\Widget.cs:line 56 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 105 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 74 at Mendix.Modeler.WebUI.Forms.Widgets.LayoutWidgets.Tables.TableCell.WriteTemplate(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\LayoutWidgets\Tables\TableCell.cs:line 178 at Mendix.Modeler.WebUI.Forms.Widgets.LayoutWidgets.Tables.Table.WriteWidget(IFormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\LayoutWidgets\Tables\Table.cs:line 292 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteWidget(IWriteWidget widget, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 74 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteTemplate(IExportContext context, Guid widgetID, String templateName, Action writeTemplate) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 106 at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.DataViews.DataView.WriteTemplates(FormWriter formWriter, IExportContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\DataViews\DataView.cs:line 207 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.WriteTemplates() in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 65 at Mendix.Modeler.WebUI.Forms.Exporter.FormWriter.Write() in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormWriter.cs:line 150 at Mendix.Modeler.WebUI.Forms.Exporter.FormExporter.<>c__DisplayClass5_0.<exportforms>b__3(<>f__AnonymousType103 x) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Forms\Exporter\FormExporter.cs:line 52 at System.Linq.Parallel.ForAllOperator
1.ForAllEnumerator1.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.Tasks.Task.Execute()<---