请问下,我一打开cadence下面的PCB SI软件,提示对话框如下: 6 N( F4 {( s4 u! p+ X" O Design was last saved by a higher capability product(Allegro XL).There may be constraints and other design data that may be ignored at the tool's current license levels. 5 a; G& e% H4 A2 h最后点确定就打开的是Allegro PCB Designer软件,请问哪个知道如何解决,让打开的是PCB SI软件哇。