Main Thread Checker: UI API called on a background thread: -[UIViewController parentViewController] #140
Description
=================================================================
Main Thread Checker: UI API called on a background thread: -[UIViewController presentedViewController]
PID: 16941, TID: 3137868, Thread name: (none), Queue name: com.apple.photos.accessCallbacks, QoS: 0
Backtrace:
4 STPopup 0x000000010313910c -[UIViewController(STPopup) st_presentedViewController] + 72
5 PhotosUI 0x000000020383bdd8 51E602DA-1E0B-3CA1-8DE6-43DD423F795D + 56792
6 PhotoLibraryServicesCore 0x00000001b50d09fc PLPresentLimitedLibraryPicker + 388
7 PhotoLibraryServicesCore 0x00000001b506dca4 95A95CAA-BF77-3E3A-965E-4F252119845E + 23716
8 libdispatch.dylib 0x0000000103c8c5a8 _dispatch_call_block_and_release + 32
9 libdispatch.dylib 0x0000000103c8e05c _dispatch_client_callout + 20
10 libdispatch.dylib 0x0000000103c9610c _dispatch_lane_serial_drain + 988
11 libdispatch.dylib 0x0000000103c96e68 _dispatch_lane_invoke + 472
12 libdispatch.dylib 0x0000000103ca3cbc _dispatch_workloop_worker_thread + 740
13 libsystem_pthread.dylib 0x00000001ecbdbdf8 _pthread_wqthread + 288
14 libsystem_pthread.dylib 0x00000001ecbdbb98 start_wqthread + 8