When any app crashes, the crash log is saved on the device. The next time the device is sync'ed with a computer, the crash logs are backed up to the computer. Whenever you see a crash, sync the device with the computer. You should then be able to find the crash logs in the following folders on each platform.
Mac OS X
C:\Documents and Settings\\Application Data\Apple computer\Logs\CrashReporter\
Windows 7 or Vista
Please locate this file and send it to support the developer.