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at Microsoft.ML.Data.TextLoader.Cursor.d__33.MoveNext()
at Microsoft.ML.Data.TextLoader.Cursor.MoveNextCore()
at Microsoft.ML.Data.RootCursorBase.MoveNext()
at Microsoft.ML.IDataViewExtensions.ToDataFrame(IDataView dataView, Int64 maxRows, String[] selectColumns)
at Microsoft.ML.ModelBuilder.AutoMLService.Proposer.ResampleStrategyProposer.Initialize(ProposerSharedContext context, String outputFolder) in //src/Microsoft.ML.ModelBuilder.AutoMLService/Proposer/ResampleStrategyProposer.cs:line 70
at Microsoft.ML.ModelBuilder.AutoMLService.Proposer.ResampleStrategyProposer.Propose(ProposerSharedContext context, TrialParameter trialParameter) in //src/Microsoft.ML.ModelBuilder.AutoMLService/Proposer/ResampleStrategyProposer.cs:line 48
at Microsoft.ML.ModelBuilder.AutoMLService.Proposer.Controller.Propose() in //src/Microsoft.ML.ModelBuilder.AutoMLService/Proposer/Controller.cs:line 63
at Microsoft.ML.ModelBuilder.AutoMLService.Experiments.LocalAutoMLExperiment.d__15.MoveNext() in //src/Microsoft.ML.ModelBuilder.AutoMLService/Experiments/LocalAutoMLExperiment.cs:line 130
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.ML.ModelBuilder.AutoMLEngine.d__23.MoveNext() in /_/src/Microsoft.ML.ModelBuilder.AutoMLService/AutoMLEngineService/AutoMLEngine.cs:line 153