Unity build not working in ios 11 project updated from 4.x to 5.6 please help

Unity Engine
,
1

Hello I updated my project from 4.x to 5.6 .Then when i build it’s working in devices later then ios 11 but in ios 11 app crash giving thread bad access error please help.Below is the log.

Main Thread Checker: UI API called on a background thread: -[UIApplication delegate]
PID: 897, TID: 332528, Thread name: UnityGfxDeviceWorker, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 stoneage 0x00000001007e7e6c _Z16GetAppControllerv + 56
5 stoneage 0x00000001007e7e88 UnityPresentContextCallback + 20
6 stoneage 0x000000010150ede8 _ZN14GfxDeviceMetal12PresentFrameEv + 228
7 stoneage 0x000000010126f0f0 _ZN15GfxDeviceWorker10RunCommandER20ThreadedStreamBuffer + 21144
8 stoneage 0x00000001015102fc GfxDeviceWorkerAutoreleasePoolProxy + 68
9 stoneage 0x000000010126fa40 _ZN15GfxDeviceWorker3RunEv + 84
10 stoneage 0x0000000101269dd0 _ZN15GfxDeviceWorker18RunGfxDeviceWorkerEPv + 72
11 stoneage 0x00000001013ebe6c _ZN6Thread16RunThreadWrapperEPv + 96
12 libsystem_pthread.dylib 0x000000018470832c + 308
13 libsystem_pthread.dylib 0x00000001847081f8 + 0
14 libsystem_pthread.dylib 0x0000000184706c38 thread_start + 4
2017-09-23 16:02:02.118346+0530 stoneage[897:332528] [reports] Main Thread Checker: UI API called on a background thread: -[UIApplication delegate]
PID: 897, TID: 332528, Thread name: UnityGfxDeviceWorker, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 stoneage 0x00000001007e7e6c _Z16GetAppControllerv + 56
5 stoneage 0x00000001007e7e88 UnityPresentContextCallback + 20
6 stoneage 0x000000010150ede8 _ZN14GfxDeviceMetal12PresentFrameEv + 228
7 stoneage 0x000000010126f0f0 _ZN15GfxDeviceWorker10RunCommandER20ThreadedStreamBuffer + 21144
8 stoneage 0x00000001015102fc GfxDeviceWorkerAutoreleasePoolProxy + 68
9 stoneage 0x000000010126fa40 _ZN15GfxDeviceWorker3RunEv + 84
10 stoneage 0x0000000101269dd0 _ZN15GfxDeviceWorker18RunGfxDeviceWorkerEPv + 72
11 stoneage 0x00000001013ebe6c _ZN6Thread16RunThreadWrapperEPv + 96
12 libsystem_pthread.dylib 0x000000018470832c + 308
13 libsystem_pthread.dylib 0x00000001847081f8 + 0
14 libsystem_pthread.dylib 0x0000000184706c38 thread_start + 4
2017-09-23 16:02:03.464466+0530 stoneage[897:332460] -[OS_dispatch_group present]: unrecognized selector sent to instance 0x1c42841f0
2017-09-23 16:02:03.495650+0530 stoneage[897:332460] Uncaught exception: NSInvalidArgumentException: -[OS_dispatch_group present]: unrecognized selector sent to instance 0x1c42841f0
(
0 CoreFoundation 0x0000000184adbd50 + 148
1 libobjc.A.dylib 0x0000000183ff0528 objc_exception_throw + 56
2 CoreFoundation 0x0000000184ae91f8 + 0
3 CoreFoundation 0x0000000184ae16e4 + 1380
4 CoreFoundation 0x00000001849c70dc _CF_forwarding_prep_0 + 92
5 Metal 0x00000001867ed3c4 + 44
6 Metal 0x00000001867ee1f0 + 472
7 IOAccelerator 0x00000001867885fc + 60
8 IOKit 0x0000000184d4630c IODispatchCalloutFromCFMessage + 392
9 IOKit 0x0000000184d46400 _IODispatchCalloutWithDispatch + 40
10 libdispatch.dylib 0x0000000103b9ac6c dispatch_mig_server + 388
11 libdispatch.dylib 0x0000000103b9545c _dispatch_client_callout + 16
12 libdispatch.dylib 0x0000000103ba2800 _dispatch_continuation_pop + 592
13 libdispatch.dylib 0x0000000103b9724c _dispatch_source_invoke + 1592
14 libdispatch.dylib 0x0000000103ba3f30 _dispatch_queue_serial_drain + 212
15 libdispatch.dylib 0x0000000103b989a4 _dispatch_queue_invoke + 332
16 libdispatch.dylib 0x0000000103ba5104 _dispatch_root_queue_drain_deferred_wlh + 424
17 libdispatch.dylib 0x0000000103bac100 _dispatch_workloop_worker_thread + 652
18 libsystem_pthread.dylib 0x0000000184706fe0 _pthread_wqthread + 932
19 libsystem_pthread.dylib 0x0000000184706c30 start_wqthread + 4
)
2017-09-23 16:02:03.506462+0530 stoneage[897:332460] *** Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘-[OS_dispatch_group present]: unrecognized selector sent to instance 0x1c42841f0’
*** First throw call stack:
(0x184adbd38 0x183ff0528 0x184ae91f8 0x184ae16e4 0x1849c70dc 0x1867ed3c4 0x1867ee1f0 0x1867885fc 0x184d4630c 0x184d46400 0x103b9ac6c 0x103b9545c 0x103ba2800 0x103b9724c 0x103ba3f30 0x103b989a4 0x103ba5104 0x103bac100 0x184706fe0 0x184706c30)
libc++abi.dylib: terminating with uncaught exception of type NSException

2

Hi,
Please try this
Go to iOS Player Settings, → Click the ‘Other Settings’,-> make sure in the configuration scripting backend is set to ‘IL2CPP’ (not ‘Mono2x’). then Scroll down to ‘Architecture’ (above ‘Scripting Define Symbols’) and set the ‘Architecture’ to ‘Universal’.