خطا در صفحه ی مدیریت ماژول

[razieh_es]

من جوملا 2.5.3 رو نصب کردم،وقتی گزینه ی مدیریت ماژول رو می زنم این خطا رو میده :
500 - یک خطا رخ داده است
Out of sort memory; increase server sort buffer size SQL=SELECT a.id, a.title, a.note, a.position, a.module, a.language,a.checked_out, a.checked_out_time, a.published+2*(e.enabled-1) as published, a.access, a.ordering, a.publish_up, a.publish_down,l.title AS language_title,uc.name AS editor,ag.title AS access_level,MIN(mm.menuid) AS pages,e.name AS name FROM `j_modules` AS a LEFT JOIN `j_languages` AS l ON l.lang_code = a.language LEFT JOIN j_users AS uc ON uc.id=a.checked_out LEFT JOIN j_viewlevels AS ag ON ag.id = a.access LEFT JOIN j_modules_menu AS mm ON mm.moduleid = a.id LEFT JOIN j_extensions AS e ON e.element = a.module WHERE (a.published IN (0, 1)) AND a.client_id = 0 GROUP BY a.id, a.title, a.note, a.position, a.module, a.language,a.checked_out,a.checked_out_time, a.published, a.access, a.ordering,l.title, uc.name, ag.title, e.name,l.lang_code, uc.id, ag.id, mm.moduleid, e.element, a.publish_up, a.publish_down,e.enabled

یعنی چی؟ باید چی کار کنم؟