build error in sbt resolution

[Peter Patel-Schneider]

I am getting a build exception when trying to build/run slik for the first time:

[warn]     ::::::::::::::::::::::::::::::::::::::::::::::
[warn]     ::          UNRESOLVED DEPENDENCIES         ::
[warn]     ::::::::::::::::::::::::::::::::::::::::::::::
[warn]     :: org.scala-lang#scala-library;2.10.7: configuration not public in org.scala-lang#scala-library;2.10.7: 'test'. It was required from org.scala-tools.sbinary#sbinary_2.10;0.4.2 default
[warn]     ::::::::::::::::::::::::::::::::::::::::::::::
sbt.ResolveException: unresolved dependency: org.scala-lang#scala-library;2.10.7: configuration not public in org.scala-lang#scala-library;2.10.7: 'test'. It was required from org.scala-tools.sbinary#sbinary_2.10;0.4.2 default
...
[error] (*:update) sbt.ResolveException: unresolved dependency: org.scala-lang#scala-library;2.10.7: configuration not public in org.scala-lang#scala-library;2.10.7: 'test'. It was required from org.scala-tools.sbinary#sbinary_2.10;0.4.2 default
Project loading failed: (r)etry, (q)uit, (l)ast, or (i)gnore? i
[warn] Ignoring load failure: no project loaded.
[error] Expected ID character
[error] project usage:
[error]   project   Displays the current project or changes to the provided `project`.
[error]
[error] project workbench
[error]        ^

This is under Fedora 27. 

Has anyone encountered something similar?

peter