Not a valid key: liteServerWriteConfigFile (similar: webpackWriteConfigFile)

[anopperl]

sbt fastOptJS::liteServerWriteConfigFile
[info] Loading global plugins from /home/anopperl6/.sbt/0.13/plugins
[info] Loading project definition from /home/anopperl6/Desktop/scala-angular/angulate2-master/project
[info] Set current project to angulate2 (in build file:/home/anopperl6/Desktop/scala-angular/angulate2-master/)
[error] Not a valid key: liteServerWriteConfigFile (similar: webpackWriteConfigFile)
[error] fastOptJS::liteServerWriteConfigFile
[error] ^