Hi, here's my crash report. Thanks. Crash_Report.crash Thread 6 Crashed: 0 libsystem_kernel.dylib 0x00000001f3f832d4 __pthread_kill + 8 (:-1) 1 libsystem_pthread.dylib 0x000000022d5d959c pthread_kill + 268 (pthread.c:1721) 2 libsystem_c.dylib 0x00000001aa698b08 abort + 128 (abort.c:122) 3 libc++abi.dylib 0x000000022d4ff5b8 abort_message + 132 (abort_message.cpp:78) 4 libc++abi.dylib 0x000000022d4edb90 demangling_terminate_handler() + 320 (cxa_default_handlers.cpp:72) 5 libobjc.A.dylib 0x000000019fdc72d4 _objc_terminate() + 172 (objc-exception.mm:499) 6 libc++abi.dylib 0x000000022d4fe87c std::__terminate(void (*)()) + 16 (cxa_handlers.cpp:59) 7 libc++abi.dylib 0x000000022d4fe820 std::terminate() + 108 (cxa_handlers.cpp:88) 8 libdispatch.dylib 0x00000001aa5defbc _dispatch_client_callout + 40 (object.m:579) 9 libdispatch.dylib 0x00000001aa5e65cc _dispatch_lane_serial_drain + 768 (queue.c:3934) 10 libdispatch.dylib 0x00000001aa5e7124 _dispatch_lane_invoke + 380 (queue.c:4025) 11 libdispatch.dylib 0x00000001aa5f238c _dispatch_root_queue_drain_deferred_wlh + 288 (queue.c:7193) 12 libdispatch.dylib 0x00000001aa5f1bd8 _dispatch_workloop_worker_thread + 540 (queue.c:6787) 13 libsystem_pthread.dylib 0x000000022d5d4680 _pthread_wqthread + 288 (pthread.c:2696) 14 libsystem_pthread.dylib 0x000000022d5d2474 start_wqthread + 8 (:-1) Thread 6 crashed with ARM Thread State (64-bit): x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x0000000000000000 x4: 0xffffffffffffd7ba x5: 0x000000000000001a x6: 0x0000000000000058 x7: 0x0000000000003fff x8: 0x5279bdcbe9c144a8 x9: 0x5279bdca866b34a8 x10: 0x000000000000007f x11: 0x0000000000000900 x12: 0x00000000000007fb x13: 0x00000000000007fd x14: 0x00000000ec414813 x15: 0x00000000ec2147fb x16: 0x0000000000000148 x17: 0x000000016faa7000 x18: 0x0000000000000000 x19: 0x0000000000000006 x20: 0x0000000000003603 x21: 0x000000016faa70e0 x22: 0x0000000000000000 x23: 0x0000000000000114 x24: 0x00000003010b1de8 x25: 0x0000000000000000 x26: 0x000000016faa70e0 x27: 0x0000000302be2640 x28: 0x0000000302be25c0 fp: 0x000000016faa6770 lr: 0x000000022d5d959c sp: 0x000000016faa6750 pc: 0x00000001f3f832d4 cpsr: 0x40001000 esr: 0x56000080 Address size fault