Thread 12 Crashed:
0   CoreFoundation                  0x2f96998e CFGetTypeID + 6
1   CoreFoundation                  0x2f980902 _flattenPlist + 42
2   CoreFoundation                  0x2f980a02 _flattenPlist + 298
3   CoreFoundation                  0x2f9e485e __CFBinaryPlistWrite + 126
4   CoreFoundation                  0x2f9807a8 CFPropertyListWrite + 240
5   CoreFoundation                  0x2f990b74 CFPropertyListWriteToStream + 140
6   CoreFoundation                  0x2f98e7d4 _CFXPreferencesWritePlist + 264
7   CoreFoundation                  0x2f98e6c4 -[CFXPreferencesPropertyListSourceSynchronizer writePlistToDisk] + 124
8   CoreFoundation                  0x2f98bf22 -[CFXPreferencesPropertyListSourceSynchronizer synchronizeAlreadyFlocked] + 482
9   CoreFoundation                  0x2f98bd38 -[CFXPreferencesPropertyListSourceSynchronizer synchronize] + 16
10  CoreFoundation                  0x2f98b83c __79-[CFXPreferencesPropertyListSource synchronizeInBackgroundWithCompletionBlock:]_block_invoke + 96
11  libdispatch.dylib               0x3a792d18 _dispatch_call_block_and_release + 8
12  libdispatch.dylib               0x3a79926e _dispatch_queue_drain$VARIANT$mp + 370
13  libdispatch.dylib               0x3a799066 _dispatch_queue_invoke$VARIANT$mp + 38
14  libdispatch.dylib               0x3a799cde _dispatch_root_queue_drain + 74
15  libdispatch.dylib               0x3a799f54 _dispatch_worker_thread2 + 52
16  libsystem_pthread.dylib         0x3a8d4dbc _pthread_wqthread + 296
17  libsystem_pthread.dylib         0x3a8d4c80 start_wqthread + 4