Masonry常见错误

1.出现NSInternalInconsistencyException错误

xcode提示：

Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Attributes should be chained before defining the constraint relation'

看看是不是吧

with

写成了

width

，比如

make.top.mas_equalTo(self.mas_top).with.offset(50);

写成了

make.top.mas_equalTo(self.mas_top).width.offset(50);

2.couldn't find a common superview for

看看是不是少了

addSubView