My application is constantly being rejected by the Apple Beta Review Team due to what they claim to be a download failure. Point - an accident never happens on any simulator or device on my side.
In the symbolic crash log, something like the following is reported, but line 74 is listed in HomeViewController.swift (here I am reporting an image of the code submitted to the beta check group)

just refers to the UITableView IBOutlet coming from the storyboard, if I put a breakpoint here, an instance of tableView is created. I am using swift, iOS 9.3.2 and Xcode 7.3.1.
EDIT: line 87 is the same, calling the renderButton (btnOpened, selected: true) function in the IBOutlet UIButton.
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Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 Sportito 0x00000001000cee40 HomeViewController.viewDidLoad() -> () (HomeViewController.swift:74)
1 Sportito 0x00000001000ce990 HomeViewController.viewDidLoad() -> () (HomeViewController.swift:87)
2 Sportito 0x00000001000cee60 @objc HomeViewController.viewDidLoad() -> () (HomeViewController.swift:0)
3 UIKit 0x0000000186934c40 -[UIViewController loadViewIfRequired] + 996
4 UIKit 0x0000000186934844 -[UIViewController view] + 28
5 UIKit 0x0000000186cdaaec -[UINavigationController preferredContentSize] + 172
6 UIKit 0x0000000186b9adf4 -[UIViewController(UIPopoverController_Internal) _resolvedPreferredContentSize] + 68
7 UIKit 0x0000000186b9a858 -[UIPopoverController _transitionFromViewController:toViewController:animated:] + 152
8 UIKit 0x0000000186b9a48c -[UIPopoverController _initWithContentViewController:popoverControllerStyle:] + 836
9 UIKit 0x0000000186f5ac7c -[UISplitViewController _setupHiddenPopoverControllerWithViewController:] + 120
10 UIKit 0x0000000186f5aeec -[UISplitViewController _viewControllerHiding:] + 356
11 UIKit 0x0000000186f62b60 -[UISplitViewController viewWillAppear:] + 208
12 UIKit 0x000000018694d374 -[UIViewController _setViewAppearState:isAnimating:] + 628
13 UIKit 0x000000018694d0e8 -[UIViewController __viewWillAppear:] + 156
14 UIKit 0x000000018693cf14 -[UIView(Hierarchy) _willMoveToWindow:withAncestorView:] + 596
15 UIKit 0x000000018693c13c -[UIView(Internal) _addSubview:positioned:relativeTo:] + 444
16 UIKit 0x000000018693b7e8 -[UIWindow addRootViewControllerViewIfPossible] + 664
17 UIKit 0x0000000186938a88 -[UIWindow _setHidden:forced:] + 252
18 UIKit 0x00000001869aefa4 -[UIWindow makeKeyAndVisible] + 48
19 UIKit 0x0000000186bda3ac -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 3456
20 UIKit 0x0000000186bde5f0 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1684
21 UIKit 0x0000000186bdb764 -[UIApplication workspaceDidEndTransaction:] + 168
22 FrontBoardServices 0x000000018317f7ac __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 36
23 FrontBoardServices 0x000000018317f618 -[FBSSerialQueue _performNext] + 168
24 FrontBoardServices 0x000000018317f9c8 -[FBSSerialQueue _performNextFromRunLoopSource] + 56
25 CoreFoundation 0x000000018179509c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
26 CoreFoundation 0x0000000181794b30 __CFRunLoopDoSources0 + 540
27 CoreFoundation 0x0000000181792830 __CFRunLoopRun + 724
28 CoreFoundation 0x00000001816bcc50 CFRunLoopRunSpecific + 384
29 UIKit 0x00000001869a394c -[UIApplication _run] + 460
30 UIKit 0x000000018699e088 UIApplicationMain + 204
31 Sportito 0x000000010002e860 main (AppDelegate.swift:42)
32 libdyld.dylib 0x000000018125a8b8 start + 4