Unable to Launch Apps in UI Test - XCode 8

I am able to build our company's app manually without any problem. However, when I run the UI Test I had written, it triggers an error saying that

2016-10-04 11:21:55.147 bl_ios[17457:126224] -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x6000004e5a80
2016-10-04 11:21:55.153 bl_ios[17457:126224] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFString absoluteString]: unrecognized selector sent to instance 0x6000004e5a80'
*** First throw call stack:
(
  0   CoreFoundation                      0x000000010537d34b __exceptionPreprocess + 171
  1   libobjc.A.dylib                     0x000000010b13c21e objc_exception_throw + 48
  2   CoreFoundation                      0x00000001053ecf34 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
  3   CoreFoundation                      0x0000000105302c15 ___forwarding___ + 1013
  4   CoreFoundation                      0x0000000105302798 _CF_forwarding_prep_0 + 120
  5   bl_ios                              0x0000000101ae2d40 -[TTTAttributedLabelLink accessibilityValue] + 288
  6   bl_ios                              0x0000000101adc8e7 -[TTTAttributedLabel accessibilityElements] + 1495
  7   bl_ios                              0x0000000101adc1db -[TTTAttributedLabel accessibilityElementCount] + 43
  8   UIAccessibility                     0x000000011cfb8924 -[NSObject(AXPrivCategory) _accessibilityHasOrderedChildren] + 46
  9   UIAccessibility                     0x000000011cfb17e9 -[UIView(UIAccessibilityElementTraversal) _accessibilityShouldBeAddedToViewChildrenWithOptions:] + 154
  10  UIAccessibility                     0x000000011cfb24d1 -[UIView(UIAccessibilityElementTraversal) _addAccessibilityElementsAndOrderedContainersWithOptions:toCollection:] + 87
  11  UIAccessibility                     0x000000011cfb27ec -[UIView(UIAccessibilityElementTraversal) _addAccessibilityElementsAndOrderedContainersWithOptions:toCollection:] + 882
  12  UIAccessibility                     0x000000011cfb2cef +[UIView(UIAccessibilityElementTraversal) _accessibilityElementsAndContainersDescendingFromViews:options:sorted:] + 472
  13  UIAccessibility                     0x000000011cfb2ea4 -[UIView(UIAccessibilityElementTraversal) _accessibilityViewChildrenWithOptions:] + 186
  14  UIKit                               0x000000011ce4cd7f -[UIViewAccessibility _accessibilitySortedElementsWithin] + 64
  15  UIKit                               0x000000011ce7e760 -[UICollectionViewCellAccessibility _accessibilityChildren] + 244
  16  UIKit                               0x000000011ce7e9c6 -[UICollectionViewCellAccessibility accessibilityElementCount] + 90
  17  UIKit                               0x000000011ce8fa64 -[UICollectionViewCellAccessibilityElement accessibilityElementCount] + 48
  18  UIAccessibility                     0x000000011cfb8924 -[NSObject(AXPrivCategory) _accessibilityHasOrderedChildren] + 46
  19  UIAccessibility                     0x000000011cfd9e1c -[NSObject(UIAccessibilityAutomation) _accessibilityUserTestingChildrenCount] + 30
  20  UIAccessibility                     0x000000011cfbff86 -[NSObject(AXPrivCategory) accessibilityAttributeValue:] + 5707
  21  UIAccessibility                     0x000000011cfdab2d -[NSObject(UIAccessibilityAutomation) _accessibilityUserTestingSnapshotDescendantsWithAttributes:maxDepth:maxChildren:maxArrayCount:] + 1814
  22  UIAccessibility                     0x000000011cfdc48d -[NSObject(UIAccessibilityAutomation) _accessibilityUserTestingSnapshotWithOptions:] + 557
  23  UIAccessibility                     0x000000011cfbe292 -[NSObject(AXPrivCategory) accessibilityAttributeValue:forParameter:] + 7903
  24  UIAccessibility                     0x000000011cfa84ae _copyParameterizedAttributeValueCallback + 211
  25  AXRuntime                           0x000000011c866cbc _AXXMIGCopyParameterizedAttributeValue + 216
  26  AXRuntime                           0x000000011c8616a5 _XCopyParameterizedAttributeValue + 447
  27  AXRuntime                           0x000000011c870545 mshMIGPerform + 266
  28  CoreFoundation                      0x000000010530ef89 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41
  29  CoreFoundation                      0x000000010530ef01 __CFRunLoopDoSource1 + 465
  30  CoreFoundation                      0x0000000105307045 __CFRunLoopRun + 2389
  31  CoreFoundation                      0x0000000105306494 CFRunLoopRunSpecific + 420
  32  GraphicsServices                    0x000000010d130a6f GSEventRunModal + 161
  33  UIKit                               0x0000000108703f34 UIApplicationMain + 159
  34  bl_ios                              0x0000000100e830ef main + 111
  35  libdyld.dylib                       0x000000010bfcd68d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException

Note: This crash also occurs every time I want to record a test and interacting with elements.