I've tried to setup rtags once again to provide detailed info, but I get: "RTags protocol version mismatch. This is usually caused by getting rtags.el from mel

I've tried to setup rtags once again to provide detailed info, but I get: "RTags protocol version mismatch. This is usually caused by getting rtags.el from melpa and installing a new rtags build that modified the protocol. They need to be in sync." Anyway, I remember that I had negative experience with rtags.