В подкаталоге Joomla не даёт установить phpbb

/forum/install/app.php/install 

server {
  listen 80;
  
    include snippets/phpmyadmin.conf;
	
    server_name site.ru; 
    server_name_in_redirect off;

    access_log /var/log/nginx/localhost.access_log;
    error_log /var/log/nginx/localhost.error_log info;

    root /var/www/html;
    index index.php index.html index.htm default.html default.htm;
    
    }

    # Support API
    location /api/ {
	try_files $uri $uri/ /api/index.php?$args;
    }

    # Support Clean (aka Search Engine Friendly) URLs
    location / {
        try_files $uri $uri/ /index.php?$args;
    }

    # add global x-content-type-options header
    add_header X-Content-Type-Options nosniff;

    # deny running scripts inside writable directories
    location ~* /(images|cache|media|logs|tmp)/.*\.(php|pl|py|jsp|asp|sh|cgi)$ {
        return 403;
        error_page 403 /403_error.html;
    }

    location ~ \.php$ {
            fastcgi_pass  unix:/run/php/php8.2-fpm.sock;
            fastcgi_index index.php;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include /etc/nginx/fastcgi.conf;
    }

    # caching of files 
    location ~* \.(ico|pdf|flv)$ {
        expires 1y;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|swf|xml|txt)$ {
        expires 14d;
    }

}

# Board configuration.
server {
	listen 80;
	server_name site.ru;
    root /var/www/html/community;
    index index.php index.html index.htm default.html default.htm;

	# phpBB uses index.htm
	index index.php index.html index.htm;

	# Loggers
	error_log /var/log/nginx/site.ru.error.log warn;
	access_log /var/log/nginx/site.ru.access.log;

	location / {
		try_files $uri $uri/ @rewriteapp;

		# Pass the php scripts to FastCGI server specified in upstream declaration.
		location ~ \.php(/|$) {
			include fastcgi.conf;
			fastcgi_split_path_info ^(.+\.php)(/.*)$;
			fastcgi_param PATH_INFO $fastcgi_path_info;
			fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
			fastcgi_param DOCUMENT_ROOT $realpath_root;
			try_files $uri $uri/ /app.php$is_args$args;
			fastcgi_pass  unix:/run/php/php8.2-fpm.sock;
		}

		# Deny access to internal phpbb files.
		location ~ /(config|common\.php|cache|files|images/avatars/upload|includes|(?<!ext/)phpbb(?!\w+)|store|vendor) {
			deny all;
			# deny was ignored before 0.8.40 for connections over IPv6.
			# Use internal directive to prohibit access on older versions.
			internal;
		}
	}

	location @rewriteapp {
		rewrite ^(.*)$ /app.php/$1 last;
	}

	# Correctly pass scripts for installer
	location /install/ {
		try_files $uri $uri/ @rewrite_installapp =404;

		# Pass the php scripts to fastcgi server specified in upstream declaration.
		location ~ \.php(/|$) {
			include fastcgi.conf;
			fastcgi_split_path_info ^(.+\.php)(/.*)$;
			fastcgi_param PATH_INFO $fastcgi_path_info;
			fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
			fastcgi_param DOCUMENT_ROOT $realpath_root;
			try_files $uri $uri/ /install/app.php$is_args$args =404;
			fastcgi_pass  unix:/run/php/php8.2-fpm.sock;
		}
	}

	location @rewrite_installapp {
		rewrite ^(.*)$ /install/app.php/$1 last;
	}

	# Deny access to version control system directories.
	location ~ /\.svn|/\.git {
		deny all;
		internal;
	}
}

server {
    listen 80;

    # Основные настройки
    server_name site.ru;
    server_name_in_redirect off;
    root /var/www/html;
    index index.php index.html index.htm default.html default.htm;

    # Логи
    access_log /var/log/nginx/site.ru.access.log;
    error_log /var/log/nginx/site.ru.error.log warn;

    # Joomla (корень)
    location / {
        try_files $uri $uri/ /index.php?$args;
    }



    # Поддержка API Joomla
    location /api/ {
        try_files $uri $uri/ /api/index.php?$args;
    }

    # Защита от выполнения PHP в директориях с пользовательскими данными
    location ~* /(images|cache|media|logs|tmp)/.*\.(php|pl|py|jsp|asp|sh|cgi)$ {
        return 403;
        error_page 403 /403_error.html;
    }

    # phpBB (каталог /community)
    location /community/ {
        root /var/www/html;
        index index.php index.html index.htm;

        # Основная обработка
        try_files $uri $uri/ @rewrite_forum;

        # Обработка PHP-файлов
        location ~ ^/community/.*\.php$ {
            include fastcgi_params;
            fastcgi_split_path_info ^(.+\.php)(/.*)$;
            fastcgi_param PATH_INFO $fastcgi_path_info;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            fastcgi_pass unix:/run/php/php8.2-fpm.sock;
        }

        # Защита от доступа к конфигурационным и системным файлам
        location ~ ^/community/(config|common\.php|cache|files|images/avatars/upload|includes|(?<!ext/)phpbb(?!\w+)|store|vendor) {
            deny all;
        }
    }

    location @rewrite_forum {
        rewrite ^/community/(.*)$ /community/app.php/$1 last;
    }

    # Общая обработка PHP
    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass unix:/run/php/php8.2-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_index index.php;
    }

    # Кэширование статических файлов
    location ~* \.(ico|pdf|flv)$ {
        expires 1y;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|swf|xml|txt)$ {
        expires 14d;
    }

    # Защита от доступа к скрытым файлам и системным папкам
    location ~ /\.(ht|svn|git) {
        deny all;
    }

    # HTTP-заголовок для безопасности
    add_header X-Content-Type-Options nosniff;
}

site.ru/forum/install/app.php

site.ru/forum/install/app.php/install