我试图在ubuntu18.04上安装包装机,当我点击图标时什么都没有发生,所以我从shell中跑出来给我./PacketTracer7: error while loading shared libraries: libQt5Multimedia.so.5: cannot open shared object file: No such file or directory。📷
给出这个错误-- Fatal: Cannot mix incompatible Qt library (version 0x50501) with this libr