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Issue Server Error 502 Bad Gateway

The 8th

Regular Pleskian
Server operating system version
Ubuntu 22.04.5 LTS
Plesk version and microupdate number
18.0.63 #4
Screenshot Attached, every time install magneto im getting this error, i checked all KB here not found my issue listed anywhere.
Advice me please to solve this issue.

Server Error 502 Bad Gateway​


1727710842972.png
 
It looks like you activated nginx-only mode in Plesk for this domain.
You have to activate Proxy mode in Websites & Domains > Apache & nginx Settings -> nginx settings section

Have a look at this:
 
It looks like you activated nginx-only mode in Plesk for this domain.
You have to activate Proxy mode in Websites & Domains > Apache & nginx Settings -> nginx settings section

Have a look at this:
thanks, yet not solved the issue to make Magento work, I even tried on another OS Almlinux, and had the same problem, so I gave up
 
Screenshot Attached, every time install magneto im getting this error, i checked all KB here not found my issue listed anywhere.
Advice me please to solve this issue.

Server Error 502 Bad Gateway​


View attachment 27090

For this subscription, in "Hosting & DNS" > "Apache & nginx" > "Additional nginx directives",

Code:
proxy_buffer_size   128k;
proxy_buffers   4 256k;
proxy_busy_buffers_size   256k;
 
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