Exception

Database Exceptionyii\db\Exception

SQLSTATE[HY000] [2003] Can't connect to MySQL server on '127.0.0.1' (111)

$_GET = [
    'section_slug' => 'raboty-elektromontazhnye',
    'gn_slug' => 'sistema-kabelnaya-strukturirovannaya-sks-montazh-proektirovanie',
];