PhpStorm 8.0.1 require.js error

require-config.js

require.config({
  waitSeconds: 15,
  baseUrl: '/js',
  paths: {
    templates: '../templates',
    knockout: 'libs/knockout',
    'jquery.ui.widget': 'libs/ui/widget',
    'jquery.ui.sortable': 'libs/ui/sortable',
    core: 'libs/ui/core',
    mouse: 'libs/ui/mouse',
    widget: 'libs/ui/widget',
    'load-image': 'libs/load-image'
  },
  deps: ['common']
});

stack trace

null
java.lang.NullPointerException
	at requirejs.RequirePaths.resolve(RequirePaths.java:45)
	at requirejs.RequirejsProjectComponent.requireResolve(RequirejsProjectComponent.java:664)
	at requirejs.RequirejsReference.resolve(RequirejsReference.java:40)
	at com.intellij.lang.javascript.inspections.JSUnusedLocalSymbolsInspection$1.visitJSLiteralExpression(JSUnusedLocalSymbolsInspection.java:121)
	at com.intellij.lang.javascript.psi.impl.JSLiteralExpressionImpl.accept(JSLiteralExpressionImpl.java:81)
	at com.intellij.codeInspection.InspectionEngine.acceptElements(InspectionEngine.java:79)
	at com.intellij.codeInspection.InspectionEngine.createVisitorAndAcceptElements(InspectionEngine.java:68)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.a(LocalInspectionsPass.java:288)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.access$000(LocalInspectionsPass.java:74)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass$2.process(LocalInspectionsPass.java:257)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass$2.process(LocalInspectionsPass.java:254)
	at com.intellij.concurrency.ApplierCompleter.a(ApplierCompleter.java:119)
	at com.intellij.concurrency.ApplierCompleter.access$000(ApplierCompleter.java:42)
	at com.intellij.concurrency.ApplierCompleter$1.run(ApplierCompleter.java:82)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1180)
	at com.intellij.concurrency.ApplierCompleter$2.run(ApplierCompleter.java:91)
	at com.intellij.openapi.progress.ProgressManager.executeProcessUnderProgress(ProgressManager.java:193)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:211)
	at com.intellij.concurrency.ApplierCompleter.a(ApplierCompleter.java:103)
	at com.intellij.concurrency.ApplierCompleter.compute(ApplierCompleter.java:79)
	at jsr166e.CountedCompleter.exec(CountedCompleter.java:684)
	at jsr166e.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at jsr166e.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:858)
	at jsr166e.ForkJoinPool.scan(ForkJoinPool.java:1687)
	at jsr166e.ForkJoinPool.runWorker(ForkJoinPool.java:1642)
	at jsr166e.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:109)