Error when running lein repl

[MindTwister]

Output when running lein repl

#<FileNotFoundException java.io.FileNotFoundException: Could not locate exec__init.class or exec.clj on classpath: >
nREPL server started on port 63301
IllegalStateException Attempting to call unbound fn: #'koan-engine.runner/exec/set-signal-handler!  clojure.lang.Var$Unbound.throwArity (Var.java:43)
reply.eval-modes.nrepl=>

Output when running lein --version

Leiningen 2.1.2 on Java 1.7.0_17 Java HotSpot(TM) Client VM

[trptcolin]

Thanks for reporting this! There's still a warning, but now things recover and start up in a reasonable namespace (user).