In my ejected React Native app for android, I'm getting this run time error out of the blue
java.lang.NoClassDefFoundError: android.support.v4.app.FragmentActivity
at com.facebook.react.modules.dialog.DialogModule.getFragmentManagerHelper(DialogModule.java:271)
at com.facebook.react.modules.dialog.DialogModule.onHostResume(DialogModule.java:209)
at com.facebook.react.bridge.ReactContext$1.run(ReactContext.java:150)
at android.os.Handler.handleCallback(Handler.java:822)
at android.os.Handler.dispatchMessage(Handler.java:104)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:31)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:5811)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:681)
What might be the reason for this error?