getting error for a nginx.conf file and site is not opening.

not sure what changes I have done and it stopped working.
here is the error I am getting

nginx: [warn] conflicting server name "pokemonbattlearena.net" on 0.0.0.0:80, ignored
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
and the content of nginx.conf is like this

Code:

# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;
    gzip                on;
    gzip_types          text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;



    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    server {
        listen 80 default_server;
        listen [::]:80 default_server;
        server_name pokemonbattlearena.net www.pokemonbattlearena.net;

        root /var/www/html;
        index index.php;

        # PHP handler
        location ~ \.php$ {
            try_files $uri =404;
            fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include fastcgi_params;
        }

        # Prevent access to hidden files and directories
        location ~ /\. {
            deny all;
        }

        # Error pages
        error_page 404 /404.html;
        location = /404.html {
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        }
    }

    # Settings for a TLS enabled server.
    #
    # server {
    #     listen       443 ssl http2;
    #     listen       [::]:443 ssl http2;
    #     server_name  _;
    #     root         /usr/share/nginx/html;
    #
    #     ssl_certificate "/etc/pki/nginx/server.crt";
    #     ssl_certificate_key "/etc/pki/nginx/private/server.key";
    #     ssl_session_cache shared:SSL:1m;
    #     ssl_session_timeout  10m;
    #     ssl_ciphers HIGH:!aNULL:!MD5;
    #     ssl_prefer_server_ciphers on;
    #
    #     # Load configuration files for the default server block.
    #     include /etc/nginx/default.d/*.conf;
    #
#        error_page 404 /404.html;
#            location = /40x.html {
#        }
#
#        error_page 500 502 503 504 /50x.html;
#            location = /50x.html {
#        }
#    }

 

Check vhost for this domain.

 

yes this is not about ISPCONFIG, you are right Till.
anyway I got this resolved.
this is the code which is working now.

Code:

# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {

    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log /var/log/nginx/access.log main;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 4096;
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    include /etc/nginx/conf.d/*.conf;

    server {
        listen 80;
        server_name _;
        root /usr/share/nginx/html;
        include /etc/nginx/default.d/*.conf;
        # Set the Content-Security-Policy header without nonce
        add_header Content-Security-Policy "default-src 'none'; script-src 'self' www.pokemonbattlearena.net; style-src 'self' 'unsafe-inline'; img-src 'self'; font-src 'self'; connect-src 'self'; frame-src 'self'; object-src 'none'";
        # Error pages
        error_page 404 /404.html;
        location = /404.html {
        }
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        }
    }
}