Nginx 111 error

server {
	
listen 80;
listen 443;
	server_name beta.dblista.pl;
	server_tokens off;

	location / {
		proxy_set_header Host $http_host;
		proxy_set_header X-Real-IP $remote_addr;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header X-Forwarded-Proto $scheme;
		proxy_pass http://0.0.0.0:3331;
	}

	access_log  /var/log/nginx/dblista_access.log;
	error_log   /var/log/nginx/dblista_error.log;
}