500 Internal Server Error

Request: GET /?search=%23%D0%B2%D0%BE%D1%81%D1%82%D1%80%D0%B5%D0%B1%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D0%BE%D1%81%D1%82%D1%8C