我刚刚安装了Ubuntu Studio 20.04,我是否正在尝试使QjackCtl工作

打开JACK音频连接工具包时收到此消息

Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock

这是什么意思,我该如何解决?谢谢!