I was playing around with `mimaPreviousVersion := None` in scala-parser-combinators and the command `mimaPreviousArtifacts` returns: ``` [info] scala-parser-combinators / mimaPreviousArtifacts [info] Set(org.scala-lang.modules:scala-parser-combinators:dummy) ``` The commands`mimaReportBinaryIssues` and `mimaPreviousClassfiles` throw `sbt.librarymanagement.ResolveException`s because of this.