org.apache.spark.sql.AnalysisException: invalid cast from array<struct<_c0:int>> to int;

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org.apache.spark.sql.AnalysisException: invalid cast from array<struct<_c0:int>> to int;
at org.apache.spark.sql.catalyst.analysis.Analyzer$CheckResolution$.failAnalysis(Analyzer.scala:85)
at org.apache.spark.sql.catalyst.analysis.Analyzer$CheckResolution$$anonfun$apply$18$$anonfun$apply$2.applyOrElse(Analyzer.scala:98)
at org.apache.spark.sql.catalyst.analysis.Analyzer$CheckResolution$$anonfun$apply$18$$anonfun$apply$2.applyOrElse(Analyzer.scala:92)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250)
at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:50)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:249)

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