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JistiSDK crash issue

See original GitHub issue

JitsiMeetSDK is keep crashing in iOS 13.3. It’s working fine in iOS 12.

2020-01-20 12:35:32.109443+0530 XXXX[977:193742] [JitsiMeetSDK] [modules/xmpp/xmpp.js] P2P STUN servers:  [ { urls: 'stun:stun.l.google.com:19302' },
  { urls: 'stun:stun1.l.google.com:19302' },
  { urls: 'stun:stun2.l.google.com:19302' } ]
2020-01-20 12:35:32.121114+0530 XXXX[977:193742] [JitsiMeetSDK] [modules/xmpp/xmpp.js] (TIME) Strophe connecting:	 1579503932120
2020-01-20 12:35:32.122883+0530 XXXX[977:193744] [JitsiMeetSDK] NSInvalidArgumentException: *** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[3]
2020-01-20 12:35:32.123203+0530 XXXX[977:193743] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[3]'
*** First throw call stack:
(0x18cc92a48 0x18c9b9fa4 0x18cce8360 0x18ccf16b4 0x18cb7f73c 0x18cb715d0 0x1036a5220 0x18cc98c20 0x18cb68d30 0x18cb69908 0x1035d645c 0x1035d856c 0x1035d82d0 0x1044457fc 0x104446bd8 0x10444db48 0x10444e6e4 0x104459adc 0x18c9aeb88 0x18c9b1760)
libc++abi.dylib: terminating with uncaught exception of type NSException

* thread #11, queue = 'WebRTCModule.queue', stop reason = signal SIGABRT
  * frame #0: 0x000000018ca89ec4 libsystem_kernel.dylib`__pthread_kill + 8
    frame #1: 0x000000018c9a51d8 libsystem_pthread.dylib`pthread_kill$VARIANT$mp + 136
    frame #2: 0x000000018c8f9844 libsystem_c.dylib`abort + 100
    frame #3: 0x000000018ca527d4 libc++abi.dylib`abort_message + 128
    frame #4: 0x000000018ca529c4 libc++abi.dylib`demangling_terminate_handler() + 296
    frame #5: 0x000000018c9ba258 libobjc.A.dylib`_objc_terminate() + 124
    frame #6: 0x000000018ca5f304 libc++abi.dylib`std::__terminate(void (*)()) + 16
    frame #7: 0x000000018ca5f29c libc++abi.dylib`std::terminate() + 44
    frame #8: 0x000000018c9ba1dc libobjc.A.dylib`objc_terminate + 12
    frame #9: 0x0000000107a5ebec libdispatch.dylib`_dispatch_client_callout + 36
    frame #10: 0x0000000107a65b48 libdispatch.dylib`_dispatch_lane_serial_drain + 744
    frame #11: 0x0000000107a666e4 libdispatch.dylib`_dispatch_lane_invoke + 448
    frame #12: 0x0000000107a71adc libdispatch.dylib`_dispatch_workloop_worker_thread + 1324
    frame #13: 0x000000018c9aeb88 libsystem_pthread.dylib`_pthread_wqthread + 276`