crash syncing multiple files at once
This happens because the migrationController tries to come up
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Application tried to present modally an active controller <UITabBarController: 0x7ff74a81b800>.'
*** First throw call stack:
(
0 CoreFoundation 0x00000001197b26fb __exceptionPreprocess + 331
1 libobjc.A.dylib 0x0000000118d56ac5 objc_exception_throw + 48
2 UIKitCore 0x00000001258c6a39 -[UIViewController _presentViewController:withAnimationController:completion:] + 5087
3 UIKitCore 0x00000001258c911b __63-[UIViewController _presentViewController:animated:completion:]_block_invoke + 98
4 UIKitCore 0x00000001258e2ed8 -[_UIViewControllerTransitionCoordinator _applyBlocks:releaseBlocks:] + 294
5 UIKitCore 0x00000001258decfd -[_UIViewControllerTransitionContext _runAlongsideCompletions] + 132
6 UIKitCore 0x00000001258de9ec -[_UIViewControllerTransitionContext completeTransition:] + 118
7 UIKitCore 0x000000012633ff88 -[UITransitionView notifyDidCompleteTransition:] + 251
8 UIKitCore 0x000000012633fbff -[UITransitionView _didCompleteTransition:] + 1381
9 UIKitCore 0x00000001263421dc -[UITransitionView _transitionDidStop:finished:] + 104
10 UIKitCore 0x000000012634a8ff -[UIViewAnimationState sendDelegateAnimationDidStop:finished:] + 343
11 UIKitCore 0x000000012634af21 -[UIViewAnimationState animationDidStop:finished:] + 293
12 UIKitCore 0x000000012634afd5 -[UIViewAnimationState animationDidStop:finished:] + 473
13 QuartzCore 0x0000000117a14de7 _ZN2CA5Layer23run_animation_callbacksEPv + 321
14 libdispatch.dylib 0x000000011af19db5 _dispatch_client_callout + 8
15 libdispatch.dylib 0x000000011af27080 _dispatch_main_queue_callback_4CF + 1540
16 CoreFoundation 0x00000001197198a9 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
17 CoreFoundation 0x0000000119713f56 __CFRunLoopRun + 2310
18 CoreFoundation 0x0000000119713302 CFRunLoopRunSpecific + 626
19 GraphicsServices 0x000000011c5ae2fe GSEventRunModal + 65
20 UIKitCore 0x0000000125eb5ba2 UIApplicationMain + 140
21 VLC for iOS 0x000000010ebc79b0 main + 112
22 libdyld.dylib 0x000000011af8e541 start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb) ```