使用Altium 17 版本打开别人给我的pcb的时候出来这个页面，大佬们这个是什么原因，是报错嘛，有什么影响？谢谢了
Air Gap Width previously controlled by Clearance rule is now controlled by Polygon Connect Style rule's newly introduced Air Gap Width (set to
Silkscreen Over Component Pads Rules are converted to Silk To Solder Mask Clearance Rules. Suggest examining rule scopes for accuracy
