Don't forget to check resource

It's not a bug, it's normal. It's used to check Virtual Space state and tracker status.
.inp file (export by Inochi Creator) to be opened..inx files (project file for Inochi Creator) can be opened in Session by dragging them into the window, but it's recommended to follow the above method and use .inp files.
Double click to show/ hide UILeft click: move puppetCtrl+ Scroll Wheel: zoom on puppetDrag Model to trash can (on lower left): to close model on Session
Don't forget to finish settings to face tracking work properly
After import your model, set virtual space and run a face tracker, you can start setting tracking to your model (check which kinds of blendshapes each tracker gets).
0 to 1, or -1 to 1)tracking_lost, Inochi Session will play it when tracking is lost.