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  1. ,

    In Scala, don’t use the get method with Option to access a result. Use getOrElse, a match expression, or foreach instead.

java.util.NoSuchElementException: None.get at scala.None$.get(Option.scala:347) at scala.None$.get(Option.scala:345) at chisel3.internal.HasId$class.getRef(Builder.scala:88) at chisel3.core.Data.getRef(Data.scala:30) at chisel3.internal.firrtl.Node.fullName(IR.scala:53) at chisel3.internal.firrtl.Emitter.chisel3$internal$firrtl$Emitter$$emit(Emitter.scala:26) at chisel3.internal.firrtl.Emitter$$anonfun$moduleDefn$1$$anonfun$apply$mcV$sp$2.apply(Emitter.scala:76) at chisel3.internal.firrtl.Emitter$$anonfun$moduleDefn$1$$anonfun$apply$mcV$sp$2.apply(Emitter.scala:70)