PHP Core Warning – yii\base\ErrorException

$_GET = [
    'r' => 'site/index',
];

$_SERVER = [
    'TZ' => 'Europe/Sofia',
    'PWD' => '/home/estetbgv',
    'SHLVL' => '0',
    'PATH' => '/usr/local/jdk/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/usr/local/bin:/usr/X11R6/bin:/root/bin:/opt/bin',
    'SCRIPT_NAME' => '/current/web/index.php',
    'REQUEST_URI' => '/current/web/index.php?r=site%2Findex',
    'QUERY_STRING' => 'r=site%2Findex',
    'REQUEST_METHOD' => 'GET',
    'SERVER_PROTOCOL' => 'HTTP/1.1',
    'GATEWAY_INTERFACE' => 'CGI/1.1',
    'REMOTE_PORT' => '37806',
    'SCRIPT_FILENAME' => '/home/estetbgv/public_html/current/web/index.php',
    'SERVER_ADMIN' => 'webmaster@estetbg.com',
    'CONTEXT_DOCUMENT_ROOT' => '/home/estetbgv/public_html',
    'CONTEXT_PREFIX' => '',
    'REQUEST_SCHEME' => 'http',
    'DOCUMENT_ROOT' => '/home/estetbgv/public_html',
    'REMOTE_ADDR' => '18.97.14.89',
    'SERVER_PORT' => '80',
    'SERVER_ADDR' => '91.196.124.76',
    'SERVER_NAME' => 'estet.bg',
    'SERVER_SOFTWARE' => 'Apache',
    'SERVER_SIGNATURE' => '',
    'HTTP_CONNECTION' => 'close',
    'HTTP_HOST' => 'estet.bg',
    'HTTP_ACCEPT_ENCODING' => 'br,gzip',
    'HTTP_IF_MODIFIED_SINCE' => 'Fri, 04 Oct 2024 20:09:11 GMT',
    'HTTP_ACCEPT_LANGUAGE' => 'en-US,en;q=0.5',
    'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'HTTP_USER_AGENT' => 'CCBot/2.0 (https://commoncrawl.org/faq/)',
    'SCRIPT_URI' => 'http://estet.bg/current/web/index.php',
    'SCRIPT_URL' => '/current/web/index.php',
    'UNIQUE_ID' => 'Z1l7ktO8Bm-dHxnteoYIqgAAAxE',
    'FCGI_ROLE' => 'RESPONDER',
    'PHP_SELF' => '/current/web/index.php',
    'REQUEST_TIME_FLOAT' => 1733917586.0980051,
    'REQUEST_TIME' => 1733917586,
];