MySQL Query Error: SELECT FU.ID, U.ID as USER_ID, FU.SHOW_NAME, FU.DESCRIPTION, FU.IP_ADDRESS, FU.REAL_IP_ADDRESS, FU.AVATAR, FU.NUM_POSTS, FU.POINTS as NUM_POINTS, FU.INTERESTS, FU.SUBSC_GROUP_MESSAGE, FU.SUBSC_GET_MY_MESSAGE, FU.LAST_POST, FU.ALLOW_POST, FU.SIGNATURE, FU.RANK_ID, U.EMAIL, U.NAME, U.LAST_NAME, U.LOGIN, U.PERSONAL_BIRTHDATE, DATE_FORMAT(FU.DATE_REG, '%d.%m.%Y') as DATE_REG, DATE_FORMAT(FU.LAST_VISIT, '%d.%m.%Y %H:%i:%s') as LAST_VISIT, DATE_FORMAT(FU.LAST_VISIT, '%d.%m.%Y') as LAST_VISIT_SHORT, DATE_FORMAT(U.DATE_REGISTER, '%d.%m.%Y') as DATE_REGISTER_SHORT, U.PERSONAL_ICQ, U.PERSONAL_WWW, U.PERSONAL_PROFESSION, U.DATE_REGISTER, U.PERSONAL_CITY, U.PERSONAL_COUNTRY, U.PERSONAL_PHOTO, U.PERSONAL_GENDER, FU.POINTS, FU.HIDE_FROM_ONLINE, DATE_FORMAT(U.PERSONAL_BIRTHDAY, '%d.%m.%Y') as PERSONAL_BIRTHDAY , CASE WHEN ((FU.SHOW_NAME='Y') AND (LENGTH(TRIM(CONCAT_WS('',U.NAME,U.LAST_NAME)))>0)) THEN trim(CONCAT_WS(' ',U.NAME, U.LAST_NAME)) ELSE U.LOGIN END AS SHOW_ABC FROM b_forum_user FU LEFT JOIN b_user U ON (FU.USER_ID = U.ID)WHERE 1 = 1 AND ((U.ACTIVE = 'Y' )) ORDER BY FU.NUM_POSTS DESC LIMIT 0, 20[Out of sort memory, consider increasing server sort buffer size]

DB query error. Please try later.