Xcode 8.2中的xib文件无法正常工作。这是一个错误吗？

I am really frustrated since i migrated my project from Xcode 7.3 to Xcode 8.2. I am using both storyboard and Xib files in my project . While running my project I am getting this weird error. Some of my xib files are resized or reshaped(shrinked To fit/Expanded To fit). All this Xib files worked 100% perfectly in Xcode 7.3.I am really frustrated since i migrated my proj