Persistent SIGABRT error

Hi
I keep getting the SIGABRT error with my app. I've tried re-downloading my entire developer profile certificates and provisioning certs etc and still no change. I've also played with changing architectures. The activity log for my project when it crashes is below - any one know what's causing it?

Code:

GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Fri Sep 16 06:56:50 UTC 2011)
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This GDB was configured as "--host=i386-apple-darwin --target=arm-apple-darwin".tty /dev/ttys001
sharedlibrary apply-load-rules all
target remote-mobile /tmp/.XcodeGDBRemote-1268-71
Switching to remote-macosx protocol
mem 0x1000 0x3fffffff cache
mem 0x40000000 0xffffffff none
mem 0x00000000 0x0fff none
[Switching to process 7171 thread 0x1c03]
[Switching to process 7171 thread 0x1c03]
Couldn't register sh.heather.reactionfree with the bootstrap server. Error: unknown error code.
This generally means that another instance of this process was already running or is hung in the debugger.(gdb) 

Sam