chartboost crash

03-25 14:42:38.369: D/AndroidRuntime(22025): Shutting down VM
03-25 14:42:38.370: E/AndroidRuntime(22025): FATAL EXCEPTION: main
03-25 14:42:38.370: E/AndroidRuntime(22025): Process: com.touchdowngames.feedtheline, PID: 22025
03-25 14:42:38.370: E/AndroidRuntime(22025): java.lang.IllegalStateException: Need to intialize chartboost using Chartboost.init() as the application object is null
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at com.chartboost.sdk.b.p(SourceFile:370)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at com.chartboost.sdk.Chartboost.showInterstitial(SourceFile:664)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at plugin.chartboost.show$1.run(show.java:155)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at android.os.Handler.handleCallback(Handler.java:739)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at android.os.Handler.dispatchMessage(Handler.java:95)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at android.os.Looper.loop(Looper.java:135)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at android.app.ActivityThread.main(ActivityThread.java:5221)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at java.lang.reflect.Method.invoke(Native Method)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at java.lang.reflect.Method.invoke(Method.java:372)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
03-25 14:42:38.370: E/AndroidRuntime(22025): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)