应用程序崩溃在设备上，但在iPhone模拟器上工作正常

我的应用程序在我的设备上运行良好，但我添加了功能，当我在我的设备上测试时（iphone 4 iOs 4.2.1），它在启动时崩溃;但它在模拟器上工作正常 . 我在网上和这个论坛上寻找了我的问题的答案，但我找不到......

这是崩溃报告：

Incident Identifier: 7204BFE3-E826-438E-8B3E-78301DE6AA99
CrashReporter Key:   06d77d7d3219de2a9a56c2fa0510b92310e5da62
Hardware Model:      iPhone3,1
Process:         ColorMixer [1074]
Path:            /var/mobile/Applications/AD6EC67E-FCBE-4D02-8EE3-06153233CA2E/ColorMixer.app/ColorMixer
Identifier:      ColorMixer
Version:         ??? (???)
Code Type:       ARM (Native)
Parent Process:  punchd [1]

Date/Time:       2011-05-20 00:02:28.738 +0200
OS Version:      iPhone OS 4.2.1 (8C148)
Report Version:  104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x00000000, 0x00000000
Crashed Thread:  0

Thread 0 Crashed:
0   libSystem.B.dylib               0x33bd52d4 __kill + 8
1   libSystem.B.dylib               0x33bd52c4 kill + 4
2   libSystem.B.dylib               0x33bd52b6 raise + 10
3   libSystem.B.dylib               0x33be9d72 abort + 50
4   libstdc++.6.dylib               0x31bdba20 __gnu_cxx::__verbose_terminate_handler() + 376
5   libobjc.A.dylib                 0x3347c594 _objc_terminate + 104
6   libstdc++.6.dylib               0x31bd9df2 __cxxabiv1::__terminate(void (*)()) + 46
7   libstdc++.6.dylib               0x31bd9e46 std::terminate() + 10
8   libstdc++.6.dylib               0x31bd9f16 __cxa_throw + 78
9   libobjc.A.dylib                 0x3347b4c4 objc_exception_throw + 64
10  CoreFoundation                  0x33ac07c2 +[NSException raise:format:arguments:] + 62
11  CoreFoundation                  0x33ac07fc +[NSException raise:format:] + 28
12  UIKit                           0x3224b77c -[UINib instantiateWithOwner:options:] + 1104
13  UIKit                           0x3224cb32 -[NSBundle(UINSBundleAdditions) loadNibNamed:owner:options:] + 86
14  UIKit                           0x3209e86a -[UIApplication _loadMainNibFile] + 90
15  Backgrounder.dylib              0x00090b4c 0x8f000 + 6988
16  UIKit                           0x3209a1f6 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 174
17  UIKit                           0x32066484 -[UIApplication handleEvent:withNewEvent:] + 1108
18  UIKit                           0x32065ec2 -[UIApplication sendEvent:] + 38
19  UIKit                           0x32065900 _UIApplicationHandleEvent + 5084
20  GraphicsServices                0x33b0eefc PurpleEventCallback + 660
21  CoreFoundation                  0x33a556f8 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 20
22  CoreFoundation                  0x33a556bc __CFRunLoopDoSource1 + 160
23  CoreFoundation                  0x33a47f76 __CFRunLoopRun + 514
24  CoreFoundation                  0x33a47c80 CFRunLoopRunSpecific + 224
25  CoreFoundation                  0x33a47b88 CFRunLoopRunInMode + 52
26  UIKit                           0x32099302 -[UIApplication _run] + 374
27  UIKit                           0x32096e8c UIApplicationMain + 664
28  ColorMixer                      0x00002c70 main (main.m:23)
29  ColorMixer                      0x00002c18 start + 32

Thread 1:
0   libSystem.B.dylib               0x33b89974 kevent + 24
1   libSystem.B.dylib               0x33c33704 _dispatch_mgr_invoke + 88
2   libSystem.B.dylib               0x33c33174 _dispatch_queue_invoke + 96
3   libSystem.B.dylib               0x33c32b98 _dispatch_worker_thread2 + 120
4   libSystem.B.dylib               0x33bd724a _pthread_wqthread + 258
5   libSystem.B.dylib               0x33bcf970 start_wqthread + 0

Thread 2:
0   libSystem.B.dylib               0x33bd79e0 __workq_kernreturn + 8
1   libSystem.B.dylib               0x33bd7364 _pthread_wqthread + 540
2   libSystem.B.dylib               0x33bcf970 start_wqthread + 0

Thread 3:
0   libSystem.B.dylib               0x33b5d268 mach_msg_trap + 20
1   libSystem.B.dylib               0x33b5f354 mach_msg + 44
2   CoreFoundation                  0x33a48648 __CFRunLoopServiceMachPort + 88
3   CoreFoundation                  0x33a47ed2 __CFRunLoopRun + 350
4   CoreFoundation                  0x33a47c80 CFRunLoopRunSpecific + 224
5   CoreFoundation                  0x33a47b88 CFRunLoopRunInMode + 52
6   WebCore                         0x304df124 RunWebThread(void*) + 332
7   libSystem.B.dylib               0x33bd6886 _pthread_start + 242
8   libSystem.B.dylib               0x33bcba88 thread_start + 0

Thread 0 crashed with ARM Thread State:
    r0: 0x00000000    r1: 0x00000000      r2: 0x00000001      r3: 0x3eaf12e8
    r4: 0x00000006    r5: 0x31bd9989      r6: 0x001667ac      r7: 0x2fdfe024
    r8: 0x3ea4f538    r9: 0x00000065     r10: 0x0015c6b0     r11: 0x00000001
    ip: 0x00000025    sp: 0x2fdfe024      lr: 0x33bd52cb      pc: 0x33bd52d4
  cpsr: 0x00080010

我不知道我要做什么，我没有看到我的代码的引用...感谢您将来的帮助 .