Exception

Database Exceptionyii\db\Exception

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

$_GET = [
    'section_slug' => 'izmeritelnoe-oborudovanie',
    'gn_slug' => 'manometr-vakuumnyj-vakuummetr-izmeritel-davleniya-gazov',
];