Showing error in Train Tab

Schema mismatch for score column 'Score': expected vector of two or more items of type Single, got Vector (Parameter 'schema')

at Microsoft.ML.Data.MulticlassClassificationEvaluator.CheckScoreAndLabelTypes(RoleMappedSchema schema)
at Microsoft.ML.Data.EvaluatorBase`1.CheckColumnTypes(RoleMappedSchema schema)
at Microsoft.ML.Data.EvaluatorBase`1.Microsoft.ML.Data.IEvaluator.Evaluate(RoleMappedData data)
at Microsoft.ML.Data.MulticlassClassificationEvaluator.Evaluate(IDataView data, String label, String score, String predictedLabel)
at Microsoft.ML.MulticlassClassificationCatalog.Evaluate(IDataView data, String labelColumnName, String scoreColumnName, String predictedLabelColumnName, Int32 topKPredictionCount)
at Microsoft.ML.AutoML.MultiClassMetricManager.Evaluate(MLContext context, IDataView eval)
at Microsoft.ML.AutoML.SweepablePipelineRunner.Run(TrialSettings settings)
at Microsoft.ML.AutoML.SweepablePipelineRunner.RunAsync(TrialSettings settings, CancellationToken ct)
at Microsoft.ML.AutoML.AutoMLExperiment.RunAsync(CancellationToken ct)
at Microsoft.ML.ModelBuilder.AutoMLService.Experiments.MultiClassificationExperiment.ExecuteAsync(IDataView trainData, IDataView validateData, CancellationToken ct) in /_/src/Microsoft.ML.ModelBuilder.AutoMLService/Experiments/MultiClassificationExperiment.cs:line 140
at Microsoft.ML.ModelBuilder.AutoMLEngine.StartTrainingAsync(ITrainingConfiguration config, PathConfiguration pathConfig, CancellationToken userCancellationToken) in /_/src/Microsoft.ML.ModelBuilder.AutoMLService/AutoMLEngineService/AutoMLEngine.cs:line 178

Below data I used. yelp_labelled.txt

Wow... Loved this place. 1
Crust is not good. 0
Not tasty and the texture was just nasty. 0

I perfromed below steps
1. Import the txt file to model builder
2. select Column to predit(Label) to col 1 (0 or 1 value)
3. In Train Tab clicking the start Training and it's getting above error