``` Query 22 *** FAILED *** (Hide Details) Message: substring(input_1#6269, 1, 2) AS cntrycode#6518 (of class org.apache.spark.sql.catalyst.expressions.Alias) Exception: scala.MatchError com.nec.spark.agile.SparkExpressionToCExpression$.evalString(SparkExpressionToCExpression.scala:161) com.nec.spark.planning.VERewriteStrategy.$anonfun$apply$2(VERewriteStrategy.scala:134) ```