Android-приложение не запускается noClassDefFoundError

Делаю приложение gps для андроида! И вот я наткнулся на проблему. Приложение вообще не запускается... Есть идеи, как это исправить?

04-05 12:54:50.877: D/dalvikvm(540): Not late-enabling CheckJNI (already on)
04-05 12:54:51.018: I/dalvikvm(540): Turning on JNI app bug workarounds for target SDK version 5...
04-05 12:54:51.417: I/dalvikvm(540): Could not find method org.acra.ACRA.init, referenced from method com.kulplex.gaia.GaiaApp.onCreate
04-05 12:54:51.417: W/dalvikvm(540): VFY: unable to resolve static method 652: Lorg/acra/ACRA;.init (Landroid/app/Application;)V
04-05 12:54:51.417: D/dalvikvm(540): VFY: replacing opcode 0x71 at 0x0000
04-05 12:54:51.457: D/AndroidRuntime(540): Shutting down VM
04-05 12:54:51.457: W/dalvikvm(540): threadid=1: thread exiting with uncaught exception (group=0x409c01f8)
04-05 12:54:51.477: E/AndroidRuntime(540): FATAL EXCEPTION: main
04-05 12:54:51.477: E/AndroidRuntime(540): java.lang.NoClassDefFoundError: org.acra.ACRA
04-05 12:54:51.477: E/AndroidRuntime(540):  at com.kulplex.gaia.GaiaApp.onCreate(GaiaApp.java:54)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:969)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3954)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.app.ActivityThread.access$1300(ActivityThread.java:123)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1185)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.os.Handler.dispatchMessage(Handler.java:99)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.os.Looper.loop(Looper.java:137)
04-05 12:54:51.477: E/AndroidRuntime(540):  at android.app.ActivityThread.main(ActivityThread.java:4424)
04-05 12:54:51.477: E/AndroidRuntime(540):  at java.lang.reflect.Method.invokeNative(Native Method)
04-05 12:54:51.477: E/AndroidRuntime(540):  at java.lang.reflect.Method.invoke(Method.java:511)
04-05 12:54:51.477: E/AndroidRuntime(540):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
04-05 12:54:51.477: E/AndroidRuntime(540):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
04-05 12:54:51.477: E/AndroidRuntime(540):  at dalvik.system.NativeStart.main(Native Method)