thi error apears when the bluetooth is active and calling in my phone android 2.3.4

[GoogleCodeExporter]

03-12 16:24:22.885: D/InputQueue(7919): Unregistering input channel '2b2da368 
com.everysoft.autoanswer/com.everysoft.autoanswer.AutoAnswerPreferenceActivity 
(client)'
03-12 16:25:09.565: I/dalvikvm(8030): Could not find method 
android.bluetooth.IBluetoothHeadset.getState, referenced from method 
com.everysoft.autoanswer.BluetoothHeadset.getState
03-12 16:25:09.565: W/dalvikvm(8030): VFY: unable to resolve interface method 
40: Landroid/bluetooth/IBluetoothHeadset;.getState ()I
03-12 16:25:09.565: D/dalvikvm(8030): VFY: replacing opcode 0x72 at 0x001c
03-12 16:25:09.565: D/dalvikvm(8030): VFY: dead code 0x001f-001f in 
Lcom/everysoft/autoanswer/BluetoothHeadset;.getState ()I
03-12 16:25:17.565: W/dalvikvm(8030): threadid=9: thread exiting with uncaught 
exception (group=0x2aacc560)
03-12 16:25:17.575: E/AndroidRuntime(8030): Uncaught handler: thread 
IntentService[AutoAnswerIntentService] exiting due to uncaught exception
03-12 16:25:17.635: W/System.err(8030): java.io.FileNotFoundException: 
/data/logcat_0.txt (Permission denied)
03-12 16:25:17.675: E/AndroidRuntime(8030): FATAL EXCEPTION: 
IntentService[AutoAnswerIntentService]
03-12 16:25:17.675: E/AndroidRuntime(8030): java.lang.NoSuchMethodError: 
android.bluetooth.IBluetoothHeadset.getState
03-12 16:25:17.675: E/AndroidRuntime(8030):     at 
com.everysoft.autoanswer.BluetoothHeadset.getState(BluetoothHeadset.java:135)
03-12 16:25:17.675: E/AndroidRuntime(8030):     at 
com.everysoft.autoanswer.AutoAnswerIntentService.onHandleIntent(AutoAnswerIntent
Service.java:78)
03-12 16:25:17.675: E/AndroidRuntime(8030):     at 
android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:59)
03-12 16:25:17.675: E/AndroidRuntime(8030):     at 
android.os.Handler.dispatchMessage(Handler.java:99)
03-12 16:25:17.675: E/AndroidRuntime(8030):     at 
android.os.Looper.loop(Looper.java:130)
03-12 16:25:17.675: E/AndroidRuntime(8030):     at 
android.os.HandlerThread.run(HandlerThread.java:60)
03-12 16:25:17.735: W/System.err(8030): java.io.FileNotFoundException: 
/data/plog.log (Permission denied)

Original issue reported on code.google.com by [email protected] on 12 Mar 2012 at 8:14