"Redner path is not accessible to Resolve"

1. ubuntu 18.04
2. davinci resolve 15(free version)
3. work is normal account(not root account)
4. resolve install using "root" account

scr_01.png (425.14 KiB) Viewed 783 times

all storage have left space. and target directory have permission to login user(of course test in a gnome-terminal)

scr_03.png (45.9 KiB) Viewed 783 times

and media storage have 512G empty space.

scr_02.png (20.87 KiB) Viewed 783 times

how can run to "add to render queue"?