错误信息： We were unable to open this file using any of the currently available importers. If you would like to try using the Dynamic Link Media Server, please go to Preferences > Media & Disk Cache and enable the option "Enable DLMS Format Support" and try to open the file again.
在菜单栏“编辑”→首选项→媒体与暂存盘→将enable DLMS format support勾选上，点确定就可以了