getting error

[msaman5]

I am getting the error run ./activator run from my terminal..
Missing dependency 'object java.lang.Object in compiler mirror', required by /Users/moumitasamanta/.sbt/boot/scala-2.10.5/lib/scala-library.jar(scala/package.class)

scala.reflect.internal.MissingRequirementError: object java.lang.Object in compiler mirror not found.
at scala.reflect.internal.MissingRequirementError$.signal(MissingRequirementError.scala:16)
at scala.reflect.internal.MissingRequirementError$.notFound(MissingRequirementError.scala:17)
at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:48)
at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:40)
at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:40)
at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:61)
at scala.reflect.internal.Mirrors$RootsBase.getClassByName(Mirrors.scala:99)
.....

I am using java version
java 10.0.2 2018-07-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.2+13)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)

and in /Users/moumitasamanta/.sbt/boot/
there is two Scala
scala-2.10.5 scala-2.11.7

....
I am new in this domain. I do not know how to resolve the issue. Seeking for a clue ..
Thanks..
Moumita