error “_OBJC_CLASS_$_CAMediaTimingFunction”, referenced from: objc-class-ref-to-CAMediaTimingFunction in mainViewController_iPad.o “_OBJC_CLASS_$_CABasicAnimation”, referenced from: objc-class-ref-to-CABasicAnimation in mainViewController_iPad.o “_kCAMediaTimingFunctionEaseIn”, referenced from: _kCAMediaTimingFunctionEaseIn$non_lazy_ptr in mainViewController_iPad.o (maybe you meant: _kCAMediaTimingFunctionEaseIn$non_lazy_ptr) “_OBJC_CLASS_$_CAKeyframeAnimation”, referenced from: objc-class-ref-to-CAKeyframeAnimation in mainViewController_iPad.o “_OBJC_CLASS_$_CAAnimationGroup”, referenced from: objc-class-ref-to-CAAnimationGroup in mainViewController_iPad.o “_CATransform3DIdentity”, referenced from: _CATransform3DIdentity$non_lazy_ptr in mainViewController_iPad.o (maybe you meant: _CATransform3DIdentity$non_lazy_ptr) ld: symbol(s) not found collect2: ld returned 1 exit status

error

“_OBJC_CLASS_$_CAMediaTimingFunction”, referenced from:
objc-class-ref-to-CAMediaTimingFunction in mainViewController_iPad.o

“_OBJC_CLASS_$_CABasicAnimation”, referenced from:
objc-class-ref-to-CABasicAnimation in mainViewController_iPad.o

“_kCAMediaTimingFunctionEaseIn”, referenced from:
_kCAMediaTimingFunctionEaseIn$non_lazy_ptr in mainViewController_iPad.o
(maybe you meant: _kCAMediaTimingFunctionEaseIn$non_lazy_ptr)

“_OBJC_CLASS_$_CAKeyframeAnimation”, referenced from:
objc-class-ref-to-CAKeyframeAnimation in mainViewController_iPad.o

“_OBJC_CLASS_$_CAAnimationGroup”, referenced from:
objc-class-ref-to-CAAnimationGroup in mainViewController_iPad.o

“_CATransform3DIdentity”, referenced from:
_CATransform3DIdentity$non_lazy_ptr in mainViewController_iPad.o
(maybe you meant: _CATransform3DIdentity$non_lazy_ptr)

ld: symbol(s) not found
collect2: ld returned 1 exit status

This Type error Occur then then do as below:

1 General > linker frameWork and libraries
2. Remove QuartzCore.framework
3.check and remove duplicate QuartzCore.framework at linker frameWork and libraries

 

By BBUniversal Team

One thought on “error “_OBJC_CLASS_$_CAMediaTimingFunction”, referenced from: objc-class-ref-to-CAMediaTimingFunction in mainViewController_iPad.o “_OBJC_CLASS_$_CABasicAnimation”, referenced from: objc-class-ref-to-CABasicAnimation in mainViewController_iPad.o “_kCAMediaTimingFunctionEaseIn”, referenced from: _kCAMediaTimingFunctionEaseIn$non_lazy_ptr in mainViewController_iPad.o (maybe you meant: _kCAMediaTimingFunctionEaseIn$non_lazy_ptr) “_OBJC_CLASS_$_CAKeyframeAnimation”, referenced from: objc-class-ref-to-CAKeyframeAnimation in mainViewController_iPad.o “_OBJC_CLASS_$_CAAnimationGroup”, referenced from: objc-class-ref-to-CAAnimationGroup in mainViewController_iPad.o “_CATransform3DIdentity”, referenced from: _CATransform3DIdentity$non_lazy_ptr in mainViewController_iPad.o (maybe you meant: _CATransform3DIdentity$non_lazy_ptr) ld: symbol(s) not found collect2: ld returned 1 exit status

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