System.AggregateException: One or more errors occurred. ---> System.InvalidOperationException: Sequence contains no matching element
at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.Process(MicroflowObject obj, TContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 0
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.<>c__DisplayClass7_0.<Process>b__2(SequenceFlow flow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 67
at System.Collections.Generic.List`1.ForEach(Action`1 action)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.Process(MicroflowObject obj, TContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 66
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.<>c__DisplayClass7_0.<Process>b__2(SequenceFlow flow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 67
at System.Collections.Generic.List`1.ForEach(Action`1 action)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.<>c__DisplayClass7_0.<Process>b__2(SequenceFlow flow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 67
at System.Collections.Generic.List`1.ForEach(Action`1 action)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.Visit(IMicroflowBase microflow, TContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 22
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzer.<>c__DisplayClass0_0.<Analyze>b__0(IMicroflow microflow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzer.cs:line 23
at System.Linq.Parallel.SelectQueryOperator`2.SelectQueryOperatorEnumerator`1.MoveNext(TOutput& currentElement, TKey& currentKey)
at System.Linq.Parallel.StopAndGoSpoolingTask`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.DefaultMergeHelper`2.System.Linq.Parallel.IMergeHelper<TInputOutput>.Execute()
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.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.ExecuteAndGetResultsAsArray()
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzer.Analyze(IEnumerable`1 microflows) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzer.cs:line 16
at Mendix.Modeler.WebUI.Deployment.MetaModelGenerator.WriteMetamodel(IProject project, JsonWriter writer) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Deployment\MetaModelGenerator.cs:line 71
at Mendix.Modeler.WebUI.Deployment.MetaModelGenerator.Generate(IProject project) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI\Deployment\MetaModelGenerator.cs:line 41
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 155
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 44
at Mendix.Modeler.Deployment.DeploymentProcessBuilder.<>c__DisplayClass10_0.<AddBuildStepsForPhase>b__0(IProgressInfo info) in C:\jenkins\workspace\Modeler-Build\modeler\Mendix.Modeler.Core\Deployment\DeploymentProcessBuilder.cs:line 119
at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.CatchDiskException(Action action) in C:\jenkins\workspace\Modeler-Build\modeler\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\modeler\Mendix.Modeler.Core\Deployment\FileIOExceptionHandlingProcess.cs:line 19
at Mendix.Modeler.Utility.Progress.ProcessRunner.RunStep(Step step) in C:\jenkins\workspace\Modeler-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 88
at Mendix.Modeler.Utility.Progress.ProcessRunner.worker_DoWork(Object sender, DoWorkEventArgs e) in C:\jenkins\workspace\Modeler-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 68
at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)
---> (Inner Exception #0) System.InvalidOperationException: Sequence contains no matching element
at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.Process(MicroflowObject obj, TContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 0
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.<>c__DisplayClass7_0.<Process>b__2(SequenceFlow flow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 67
at System.Collections.Generic.List`1.ForEach(Action`1 action)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.Process(MicroflowObject obj, TContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 66
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.<>c__DisplayClass7_0.<Process>b__2(SequenceFlow flow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 67
at System.Collections.Generic.List`1.ForEach(Action`1 action)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.<>c__DisplayClass7_0.<Process>b__2(SequenceFlow flow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 67
at System.Collections.Generic.List`1.ForEach(Action`1 action)
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzerVisitor.Process(MicroflowObject obj, MicroflowAnalyzerContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzerVisitor.cs:line 120
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowVisitor`1.Visit(IMicroflowBase microflow, TContext context) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowVisitor.cs:line 22
at Mendix.Modeler.WebUI.Export.MicroflowAnalysis.MicroflowAnalyzer.<>c__DisplayClass0_0.<Analyze>b__0(IMicroflow microflow) in C:\jenkins\workspace\WebUI-Build\modeler\Mendix.Modeler.WebUI.Export\MicroflowAnalysis\MicroflowAnalyzer.cs:line 23
at System.Linq.Parallel.SelectQueryOperator`2.SelectQueryOperatorEnumerator`1.MoveNext(TOutput& currentElement, TKey& currentKey)
at System.Linq.Parallel.StopAndGoSpoolingTask`2.SpoolingWork()
at System.Linq.Parallel.SpoolingTaskBase.Work()
at System.Linq.Parallel.QueryTask.BaseWork(Object unused)
at System.Threading.Tasks.Task.Execute()<---
Hi I keep getting this strange error even though I am not doing anything unexpected. It seems to be an issue with reference set selector or wizard widget. Please help.
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Mendix 7 modeller issue
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