"Error 502 Ray Bad gateway" error, please help me!

Dear, Please help me to check my VM instances. I installed Ubuntu and EasyEngine for wordpress website, I used VM instances through Cloudflare service. But last night i have update/upgrade to new Ubuntu version, after that i can not connect to my wed then
error “Error 502 Ray ID: 42aef16f487833a9 • 2018-06-14 18:43:32 UTC Bad gateway”.

Please help me to check my Vps.

Yours sincerely, Cuong Nghi.

Hi, try to create another site using ee create and see if it starts the first site created.