ReadyNas 214 - Getting error message during shutdown - do_exit+4d8

I did a wrong plex server install before it..

and these are the commands I ran..

Not sure if one of these caused the issue.

33 wget https://downloads.plex.tv/plex-media-server-new/1.19.3.2764-ef515a800/debian/plexmediaserver_1.19.3.2764-ef515a800_armhf.deb
434 dpkg -i plex
435 dpkg -i plexmediaserver_1.19.3.2764-ef515a800_armhf.deb
436 wget https://downloads.plex.tv/plex-media-server-new/1.19.3.2764-ef515a800/netgear/plexmediaserver-annapurna_1.19.3.2764-ef515a800_armel.deb
437 systemctl | grep plex
438 dpkg
439 dpkg --help
440 dpkg --remove plexmediaserver_1.19.3.2764-ef515a800_armhf.deb
441 dpkg --remove plexmediaserver
442 systemctl | grep plex
443 apt-cache search plex
444 apt-cache search plexmedia
445 apt-get remove plexmediaserver
446 dpkg -i plexmediaserver-annapurna_1.19.3.2764-ef515a800_armel.deb
447 systemctl | grep plex
448 systemctl status plexmediaserver.service
449 cd /apps/
450 ls
451 cd /opt
452 ls
453 cd /lib/systemd/system
454 ls
455 cat plexmediaserver.service
456 cd /usr/lib
457 ls
458 systemctl status plexmediaserver.service
459 systemctl remove plexmediaserver.service
460 systesystemctl disable
461 systemctl disable plexmediaserver.service
462 systemctl status plexmediaserver.service
463 systemctl | grep plex
464 rm /etc/systemd/system/plexmedia.service
465 rm /etc/systemd/system/plexmediaserver.service
466 rm /usr/lib/systemd/system/plexmediaserver.service
467 systemctl daemon-reload
468 systemctl | grep plex
469 rm /lib/systemd/system/plexmediaserver.service
470 systemctl | grep plex
471 systemctl daemon-reload
472 systemctl | grep plex
473 rm /lib/systemd/system/plexmediaserver.service
474 cd /etc/systemd/system/multi-user.target.wants
475 ls
476 ls | grep plex
477 cd /var/lib/plexmediaserver
478 ls
479 cd Library/
480 ls
481 cd Application\ Support/
482 ls
483 cd Plex\ Media\ Server/
484 ls
485 apt list --installed | grep pklex
486 cd ~
487 apt list --installed | grep plex
488 dpkg-query
489 dpkg-query -l
490 dpkg-query -l | grep plex
491 dpkg -remove plexmediaserver
492 dpkg -r plexmediaserver
493 dpkg -r --purge plexmediaserver
494 dpkg --purge plexmediaserver
495 dpkg-query -l | grep plex
496 systemctl | grep plex
497 systemctl reset-failed
498 systemctl | grep plex