第一次安裝完Joomla2.5
接著安裝phoca的留言版或download或藝廊都會出現類似的問題如同下

Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in C:\AppServ\www\joomla256\libraries\joomla\database\database\mysqli.php on line 263

以及
500 - 有錯誤發生。
Table 'joomla256.zlay9_phocagallery_votes' doesn't exist SQL=SELECT a.*,l.title AS language_title,ua.id AS ratinguserid, ua.username AS ratingusername, ua.name AS ratingname,uc.name AS editor,c.title AS category_title, c.id AS category_id FROM `zlay9_phocagallery_votes` AS a LEFT JOIN `zlay9_languages` AS l ON l.lang_code = a.language LEFT JOIN zlay9_users AS ua ON ua.id=a.userid LEFT JOIN zlay9_users AS uc ON uc.id=a.checked_out LEFT JOIN zlay9_phocagallery_categories AS c ON c.id = a.catid GROUP BY a.id ORDER BY ua.username asc Table 'joomla256.zlay9_phocagallery_votes' doesn't exist SQL=SELECT a.*,l.title AS language_title,ua.id AS ratinguserid, ua.username AS ratingusername, ua.name AS ratingname,uc.name AS editor,c.title AS category_title, c.id AS category_id FROM `zlay9_phocagallery_votes` AS a LEFT JOIN `zlay9_languages` AS l ON l.lang_code = a.language LEFT JOIN zlay9_users AS ua ON ua.id=a.userid LEFT JOIN zlay9_users AS uc ON uc.id=a.checked_out LEFT JOIN zlay9_phocagallery_categories AS c ON c.id = a.catid GROUP BY a.id ORDER BY ua.username asc LIMIT 0, 20 Table 'joomla256.zlay9_phocagallery_votes' doesn't exist SQL=SELECT a.*,l.title AS language_title,ua.id AS ratinguserid, ua.username AS ratingusername, ua.name AS ratingname,uc.name AS editor,c.title AS category_title, c.id AS category_id FROM `zlay9_phocagallery_votes` AS a LEFT JOIN `zlay9_languages` AS l ON l.lang_code = a.language LEFT JOIN zlay9_users AS ua ON ua.id=a.userid LEFT JOIN zlay9_users AS uc ON uc.id=a.checked_out LEFT JOIN zlay9_phocagallery_categories AS c ON c.id = a.catid GROUP BY a.id ORDER BY ua.username asc

是資料庫或那沒設定好嗎?

AppServ 使用的 AMP 版本較舊，建議改用 XAMPP 1.8.0 作為運作環境後再試試。