Doctrine\DBAL\Exception\DriverException: An exception occurred while executing ‚SELECT `uid`, `displayname` FROM `oc_users` `u` LEFT JOIN `oc_preferences` `p` ON (`userid` = `uid`) AND (`appid` = ’settings‘) AND (`configkey` = ‚email‘) WHERE (`uid` COLLATE utf8mb4_general_ci LIKE ?) OR (`displayname` COLLATE utf8mb4_general_ci LIKE ?) OR (`configvalue` COLLATE utf8mb4_general_ci LIKE ?) ORDER BY `uid_lower` ASC LIMIT 500 OFFSET 500′ with params [„%%“, „%%“, „%%“]: SQLSTATE[42000]: Syntax error or access violation: 1253 COLLATION ‚utf8mb4_general_ci‘ is not valid for CHARACTER SET ‚utf8‘