Why doesn't Nginx start automatically?

Question

Nginx

I work in Ubuntu. Nginx refuses to start automatically because of one config. But it starts manually and it never swears at this config.
That's what the console says

And here is the config itself

upstream backend_hosts {
    server grand-study.com;
}
server {
    listen 80;
    listen [::]:80;

    root /projects/grandstudy.cc/public;

    index index.php index.html index.htm index.nginx-debian.html;

    server_name grandstudy.cc;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location /storage/ {
  proxy_cache         imgcache;
  proxy_pass http://backend_hosts;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php7.2-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}

Answer 1

The reason is this line:server grand-study.com;

nginx resolves hosts at configuration phase, because for a long time
nginx has no non-blocikng resolver. Currently it has, but resolves
hosts at run-time only if proxy_pass contains variables in any place,
not necessarily in the host part.
--
Igor Sysoev
sysoev.ru/en

https://forum.nginx.org/read.php?2,84712,84796#msg...