adding does not work

`$ mysides add test file:///Volumes/user/test/`

-> click on shortcut yields

> "test" can't be opened because the original item can't be found.

`cd /Volumes/user/test/` works.

macOS Catalina 10.15.1
`mysides list` by the way yields 

> [1]    3951 segmentation fault  mysides list
Executing the commands with sudo does not help.