Error with a Symfony query : Expected Literal, got '"'
String literals in SQL are denoted by single quotes ', not double quotes ", so you have to replace the " as string delimiters in your query by ':
$query = $em->createQueryBuilder() ->select('u.id, u.username, u.username_canonical, u.email, u.email_canonical, u.last_login, u.name, u.type, u.phone, u.site, u.agency, u.subtype, u.info, u.created_date,u.vip') ->from('ContrateAdminBundle:Fosuser', 'u') ->where('u.created_date BETWEEN \'${fromdateaccounts}\' AND \'{$todateaccounts}\'') ->getQuery();