Thanks for that catch on my part.
I made the change but didn’t save it DOOH
Here is a deliberate “Break it” test. Fedora 28 (systemd)
[chuck@lizum init.47]$ ./validate-sysv
Error: Unknown username 'Chuck' used in /etc/systemd/system/plexmediaserver.service.d/override.conf.
Error: Unknown group name 'Chuck' used in /etc/systemd/system/plexmediaserver.service.d/override.conf.
Error: Directory '/home/botswanna/Application Support' in /etc/systemd/system/plexmediaserver.service.d/override.conf does not exist.
==SUBSYSTEM=="usb", ATTRS{idVendor}=="1d19", ATTRS{idProduct}=="0100", GROUP="video" , MODE="0660" > /lib/udev/rules.d/60-tv-butler.rules
==SUBSYSTEM=="drm", GROUP="video" , MODE="0660" > /lib/udev/rules.d/60-plex-hw-transcoding.rules
==udevadm control --reload-rules
==devadm trigger
Validation tests: FAIL
Process Control: Systemd
Plex user: plex
Plex group: plex
Video Group: video
AppSupp Dir: /var/lib/plexmediaserver/Library/Application Support
Config file: /etc/systemd/system/plexmediaserver.service.d/override.conf
[chuck@lizum init.48]$