Issue I can't access the plesk panel and all sites returning Nginx 502 Bad Gateaway error after updated some components

[Yilmaz Sarac]

Server operating system version

Ubuntu 18.04

Plesk version and microupdate number

not sure must be latest

Hello,
I'm using Plesk on digital ocean. yesterday i updated plesk and i increased the ram and cpu of my server. I can't access the plesk panel right now. (a blank page) and also my sites are not working. It gives 502 Bad Gateway error. The command line is also inaccessible. I can't do anything but restart the server, what can I do? https://y.sarac.digital:8443

https://206.81.16.93:8443

 

[IgorG]

I see Plesk login page now.
Looks like all works fine now.