NullPointerException in Android Studio Fabric plugin

gistfile1.txt

null
java.lang.NullPointerException
	at com.crashlytics.api.App.<init>(App.java:75)
	at com.crashlytics.api.RestfulWebApi.getApps(RestfulWebApi.java:601)
	at com.crashlytics.tools.ide.app.IssuesPage.onAppSelected(IssuesPage.java:343)
	at com.crashlytics.tools.ide.app.IssuesPage.<init>(IssuesPage.java:269)
	at com.crashlytics.tools.ide.controller.AppPageController.getCrashlyticsKitConfiguredPage(AppPageController.java:131)
	at com.crashlytics.tools.ide.controller.AppPageController.setupKits(AppPageController.java:89)
	at com.crashlytics.tools.ide.controller.AppPageController$2.requestTransition(AppPageController.java:101)
	at com.crashlytics.tools.ide.app.LoginPage$1$1.run(LoginPage.java:69)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:694)
	at java.awt.EventQueue$3.run(EventQueue.java:692)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:734)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:569)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:382)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)