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WrappedArray(1, 1) (of class scala.collection.mutable.WrappedArray$ofRef)
scala.MatchError: WrappedArray(1, 1) (of class scala.collection.mutable.WrappedArray$ofRef)	at scala.runtime.ScalaRunTime$.array_apply(ScalaRunTime.scala:71)	at scala.Array$.slowcopy(Array.scala:81)	at scala.Array$.copy(Array.scala:107)	at $line150.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1.apply(:32)	at $line150.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1.apply(:31)	at $line190.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1.apply(:46)	at $line190.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1.apply(:46)	at scala.collection.Iterator$class.foreach(Iterator.scala:727)	at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)	at org.apache.spark.rdd.RDD$$anonfun$foreach$1$$anonfun$apply$32.apply(RDD.scala:912)	at org.apache.spark.rdd.RDD$$anonfun$foreach$1$$anonfun$apply$32.apply(RDD.scala:912)	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1869)	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1869)	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)	at org.apache.spark.scheduler.Task.run(Task.scala:89)	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)