Why is there a separate null value in pyspark target variable?

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伪装坚强ぢ
伪装坚强ぢ 2020-12-08 16:39

I\'m playing around with pyspark API. When using pipeline.fit(dfTrain) I get a scala.MatchError with the object [null,1.0,[7.0,0.0,1325.0]].

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