boot-cljs 1.9.908 failure

gistfile1.txt

Compiling ClojureScript...
? public/js/ddplugin.js
? public/js/ddregister.js
? public/js/mp360.js
                                         java.lang.Thread.run              Thread.java:  748
           java.util.concurrent.ThreadPoolExecutor$Worker.run  ThreadPoolExecutor.java:  624
            java.util.concurrent.ThreadPoolExecutor.runWorker  ThreadPoolExecutor.java: 1149
                          java.util.concurrent.FutureTask.run          FutureTask.java:  266
         com.google.javascript.jscomp.CompilerExecutor$2.call    CompilerExecutor.java:  101
                 com.google.javascript.jscomp.Compiler$3.call            Compiler.java:  830
                 com.google.javascript.jscomp.Compiler$3.call            Compiler.java:  834
   com.google.javascript.jscomp.Compiler.performOptimizations            Compiler.java: 2421
          com.google.javascript.jscomp.PhaseOptimizer.process      PhaseOptimizer.java:  231
com.google.javascript.jscomp.PhaseOptimizer$NamedPass.process      PhaseOptimizer.java:  305
  com.google.javascript.jscomp.DefaultPassConfig$57$1.process   DefaultPassConfig.java: 2154
          com.google.javascript.jscomp.ProcessDefines.process      ProcessDefines.java:  120
  com.google.javascript.jscomp.ProcessDefines.overrideDefines      ProcessDefines.java:  134
java.lang.NullPointerException:
    clojure.lang.ExceptionInfo:
    from: :boot-cljs
    clojure.lang.ExceptionInfo:
    line: 173