Terminating app due to uncaught exception 'NSGenericException', reason: 'Unable to install constraint on view. Does the constraint reference something from outside the subtree of the view? That's illegal. constraint:<NSLayoutConstraint:0x16df7cb0 'FDSV-spacing' H:[UILabel:0x16df05c0]-(0)-[UILabel:0x16d52d40]> view:<UIStackView: 0x16ded770; frame = (0 0; 320 100); autoresize = RM+BM; layer = <FDTransformLayer: 0x16ded9b0>>'
device: iPhone 4 iOS 7.1.2 step: add->remove->add
Terminating app due to uncaught exception 'NSGenericException', reason: 'Unable to install constraint on view. Does the constraint reference something from outside the subtree of the view? That's illegal. constraint:<NSLayoutConstraint:0x16df7cb0 'FDSV-spacing' H:[UILabel:0x16df05c0]-(0)-[UILabel:0x16d52d40]> view:<UIStackView: 0x16ded770; frame = (0 0; 320 100); autoresize = RM+BM; layer = <FDTransformLayer: 0x16ded9b0>>'