If not, we’ll be using sbt 1.1.6 and Scala 2.16.2 . Check your build.properties and build.sbt files to make sure the versions there match these.How you can build a Hello World API with Scala and Akka HTTP4586Miguel LopezAhmad Saad RagabFollowSep 4, 2018 · 1 min readyou probably mean `2.12.6` here