Exception when first scala code block has only definions

[riedelcastro]

play.api.Application$$anon$1: Execution exception[[AssertionError: assertion failed: failed to set value for moro_em6kabm90275cfb136ic01p4l4454336jo_547695162: Incomplete
]]
    at play.api.Application$class.handleError(Application.scala:296) [play_2.11-2.3.8.jar:2.3.8]
    at play.api.DefaultApplication.handleError(Application.scala:402) [play_2.11-2.3.8.jar:2.3.8]
    at play.api.Application$class.handleError(Application.scala:291) [play_2.11-2.3.8.jar:2.3.8]
    at play.api.DefaultApplication.handleError(Application.scala:402) [play_2.11-2.3.8.jar:2.3.8]
    at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$4.apply(PlayDefaultUpstreamHandler.scala:320) [play_2.11-2.3.8.jar:2.3.8]
Caused by: java.lang.AssertionError: assertion failed: failed to set value for moro_em6kabm90275cfb136ic01p4l4454336jo_547695162: Incomplete

    at scala.Predef$.assert(Predef.scala:165) ~[scala-library-2.11.6.jar:na]
    at controllers.ScalaIMainInterpreter.interpret(ScalaIMainInterpreter.scala:171) ~[classes/:na]
    at controllers.ScalaIMainInterpreter$$anonfun$execute$1.apply$mcVI$sp(ScalaIMainInterpreter.scala:225) ~[classes/:na]
    at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:166) ~[scala-library-2.11.6.jar:na]
    at controllers.ScalaIMainInterpreter.execute(ScalaIMainInterpreter.scala:223) ~[classes/:na]
/autoComp: Trying to autocomplete, line: "1, prefix: 1