Evaluation failed : Compilation Error ; ERROR -> object aux is not a member of package scalatutorial at [186, 186, 186] #31
Description
In page https://www.scala-exercises.org/scala_tutorial/object_oriented_programming: both exercises will show Evaluation failed : Compilation Error ; ERROR -> object aux is not a member of package scalatutorial at [186, 186, 186] after clicking run.