Soundirok cover art

[kit1cat]

Tried adding the line "if (!file_exists('/var/www/cover')) {SysCmd('ln -s /var/lib/mpd/music /var/www/cover');}" in moode 5.1 but got the following errors, it worked fine with moode 5?

20190426 113011 worker: - Start
20190426 113011 worker: Successfully daemonized
20190426 113011 worker: Integrity check (failed)
20190426 113011 worker: Exited
20190426 113243 command/moode: Connection to MPD failed
20190426 113246 command/moode: Connection to MPD failed
20190426 113301 command/moode: Connection to MPD failed
20190426 113305 command/moode: Connection to MPD failed