Plesk 504 Gateway Time-out nginx, 500, 503 Internal Server error SOLVED!

The problem If you have a Plesk VPS Server and have been having the following errors recently 504 Gateway Time-out nginx, 500 Internal Server error 500, 503 Internal Server error The Solution There has been a recent automated update applied by Plesk which may be causing issues with your servers. We have found that restarting…