Compiling "run/resources/public/compiled_dev/demo.js" failed.
java.lang.AbstractMethodError: Method clojurescript_build/core/CompilableSourcePaths._find_sources(Ljava/lang/Object;)Ljava/lang/Object; is abstract
at clojurescript_build.core.CompilableSourcePaths._find_sources (core.clj:-1)
clojure.lang.ExceptionInfo: No such namespace: cljsjs.react, could not locate cljsjs/react.cljs, cljsjs/react.cljc, or Closure namespace "cljsjs.react" {:tag :cljs/analysis-error}