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2014-08-17 15:23:47.640 Read[12754:336845] 17545849:_UIScreenEdgePanRecognizerEdgeSettings.edgeRegionSize=13.000000
2014-08-17 15:23:49.993 Read[12754:336845] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** +[NSLayoutConstraint constraintWithItem:attribute:relatedBy:toItem:attribute:multiplier:constant:]: A constraint cannot be made between a leading/trailing attribute and a right/left attribute. Use leading/trailing for both or neither.'
*** First throw call stack:
(
	0   CoreFoundation                      0x00000001102e93e5 __exceptionPreprocess + 165
	1   libobjc.A.dylib                     0x000000010ff99967 objc_exception_throw + 45
	2   CoreFoundation                      0x00000001102e931d +[NSException raise:format:] + 205
	3   Foundation                          0x000000010d99529e +[NSLayoutConstraint constraintWithItem:attribute:relatedBy:toItem:attribute:multiplier:constant:] + 427
	4   Read                                0x000000010c89334e -[FBRGBView _setupConstraints] + 814
	5   Read                                0x000000010c8923c2 -[FBRGBView updateConstraints] + 66
	6   UIKit                               0x000000010f389ce6 -[UIView(AdditionalLayoutSupport) _internalUpdateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:] + 248
	7   UIKit                               0x000000010f389ede -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:] + 124
	8   CoreFoundation                      0x00000001101f1704 CFArrayApplyFunction + 68
	9   UIKit                               0x000000010f389c87 -[UIView(AdditionalLayoutSupport) _internalUpdateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:] + 153
	10  Foundation                          0x000000010d9a292e -[NSISEngine withBehaviors:performModifications:] + 155
	11  UIKit                               0x000000010f389ede -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:] + 124
	12  UIKit                               0x000000010f38a3ae __60-[UIView(AdditionalLayoutSupport) updateConstraintsIfNeeded]_block_invoke + 96
	13  Foundation                          0x000000010d9a292e -[NSISEngine withBehaviors:performModifications:] + 155
	14  UIKit                               0x000000010f38a076 -[UIView(AdditionalLayoutSupport) updateConstraintsIfNeeded] + 231
	15  UIKit                               0x000000010f38a78e -[UIView(AdditionalLayoutSupport) _updateConstraintsAtEngineLevelIfNeeded] + 159
	16  UIKit                               0x000000010ed7c71d -[UIView(Hierarchy) _updateConstraintsAsNecessaryAndApplyLayoutFromEngine] + 114
	17  UIKit                               0x000000010ed884dc -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 521
	18  QuartzCore                          0x00000001107cd2a8 -[CALayer layoutSublayers] + 150
	19  QuartzCore                          0x00000001107c1ece _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 380
	20  QuartzCore                          0x00000001107c1d3e _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 24
	21  QuartzCore                          0x000000011072fec6 _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 242
	22  QuartzCore                          0x0000000110730fd2 _ZN2CA11Transaction6commitEv + 390
	23  QuartzCore                          0x000000011073163d _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 89
	24  CoreFoundation                      0x000000011021e337 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
	25  CoreFoundation                      0x000000011021e290 __CFRunLoopDoObservers + 368
	26  CoreFoundation                      0x00000001102140c3 __CFRunLoopRun + 1123
	27  CoreFoundation                      0x00000001102139f6 CFRunLoopRunSpecific + 470
	28  GraphicsServices                    0x00000001121ab9f0 GSEventRunModal + 161
	29  UIKit                               0x000000010ed0f990 UIApplicationMain + 1282
	30  Read                                0x000000010c865a33 main + 115
	31  libdyld.dylib                       0x0000000110c67145 start + 1
	32  ???                                 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)