Plex 1.13.6.176-dd1845234 stops working on DSM 6.2.1-23824

Plex Media Server NAS & Devices
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Server Version#:1.13.6.176-dd1845234
Player Version#: 1.13.6.176

At least once every other day I have to reboot my Synology NAS 418, in order to restart the plex server… Any way to automatically set this up to just restart the plex media server?