If you experience this issue then set the unit to reboot the Linux server process daily at 3 am. This simply starts the single Linux process and takes seconds to execute and will solve this problem.
Run up the Ovation utility
Go to Manage and Schedule
On the new window will appear. Now click Add.
A new window will appear.
Click Add -> Server -> Reboot
Set the time to be 3am Daily and never expire and select OK
Click Apply
This will reboot the server process once per day at 3am and will prevent this from happening.