Error

PHP Noticeyii\base\ErrorException

Undefined offset: 1

$_GET = [
    'region' => 'contacts',
];

$_SERVER = [
    'USER' => 'www-data',
    'HOME' => '/var/www',
    'HTTP_HOST' => 'in.distancebetween5.com',
    'HTTP_USER_AGENT' => 'claudebot',
    'HTTP_ACCEPT' => '*/*',
    'REDIRECT_STATUS' => '200',
    'SERVER_NAME' => 'distance.su',
    'SERVER_PORT' => '80',
    'SERVER_ADDR' => '86.110.220.249',
    'REMOTE_USER' => '',
    'REMOTE_PORT' => '36462',
    'REMOTE_ADDR' => '54.85.255.74',
    'SERVER_SOFTWARE' => 'nginx/1.18.0',
    'GATEWAY_INTERFACE' => 'CGI/1.1',
    'REQUEST_SCHEME' => 'http',
    'SERVER_PROTOCOL' => 'HTTP/1.1',
    'DOCUMENT_ROOT' => '/home/annenkov/www/distance/distance',
    'DOCUMENT_URI' => '/index.php',
    'REQUEST_URI' => '/contacts/',
    'SCRIPT_NAME' => '/index.php',
    'CONTENT_LENGTH' => '',
    'CONTENT_TYPE' => '',
    'REQUEST_METHOD' => 'GET',
    'QUERY_STRING' => '',
    'SCRIPT_FILENAME' => '/home/annenkov/www/distance/distance/index.php',
    'FCGI_ROLE' => 'RESPONDER',
    'PHP_SELF' => '/index.php',
    'REQUEST_TIME_FLOAT' => 1710820314.9284289,
    'REQUEST_TIME' => 1710820314,
];