Check what errors you have with:
sudo nginx -t
Source: https://webinoly.com/support/496/nginx-service-is-not-active-cannot-reload
If you get this error: nginx 502 error : /var/log/nginx/error.log” failed (2: No such file or directory), then create the directory that is in this documentation: https://www.ucartz.com /clients/knowledgebase/1062/nginx-502-error–orvarorlogornginxorerror.log-failed-2-No-such-file-or-directory.html#:~:text=Then%20it%20means%20that%20your,or% 20you%20have%20deleted%20them.&text=In%20case%20the%20directory%20and,as%20per%20your%20nginx%20user.
