Understanding This Crash Report

I just received this crash report for my app from Flurry Analytics. But I don't know how to read this. It seems like there's no enough information to really tell what or where is this crash.

Could any of you guys help understand this report?

Thanks!

REPORT:

0 libsystem_kernel.dylib 0x19b7971e0 ___pthread_kill + 8

1 libsystem_c.dylib 0x19b706c00 _abort + 140

2 libc++abi.dylib 0x19a4bd3f4 ___cxa_bad_cast + 0

3 libc++abi.dylib 0x19a4d9e98 + 0

4 libobjc.A.dylib 0x19ae34264 + 124

5 libc++abi.dylib 0x19a4d6f44 + 16

6 libc++abi.dylib 0x19a4d6b10 ___cxa_rethrow + 144

7 libobjc.A.dylib 0x19ae3413c _objc_exception_rethrow + 44

8 CoreFoundation 0x1862a9328 _CFRunLoopRunSpecific + 552

9 GraphicsServices 0x1914200cc _GSEventRunModal + 180

10 UIKit 0x18ba96df8 _UIApplicationMain + 204

11 MYAPP 0x1000ffe24 main + 96 (main.m:21)

12 libdyld.dylib 0x19b6768b8 + 4