Qt: Session management error: Could not open network socket. snap stable failing to start on ubuntu 22.04

slightly different error message with stable snap, as opposed to beta:

tim@indigo:~$ vlc
/usr/share/libdrm/amdgpu.ids: No such file or directory
VLC media player 3.0.16 Vetinari (revision 3.0.16-0-g5e70837d8d)
[0000560468bada00] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
Qt: Session management error: Could not open network socket
Fontconfig warning: FcPattern object width does not accept value [75 100)
Segmentation fault (core dumped)

Edited May 20, 2022 by Tim Richardson

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information