cacti error : No Plugins Found 沒有(抓不到) 外掛

安裝了cacti 0.8.8a後，就已有外掛平台(PIA)，只要把自己要用的外掛插件下載完丟到cacti 的plugins資料夾裡應該就有了。
可是卻發現沒有顯示出來，裡面就寫說 No Plugins Found ，然後去查了一下log，發現有這一些錯誤訊息如下。看起來好像是SQL裡資料庫權限有問題造成的問題。
但我也不太清楚正確的處理方式，所以我就直接把cacti在SQL裡的帳號重建，權限全開~~就好了!!!!

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'1142', SQL:"DROP TABLE plugin_temp_table_19336'

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: SQL Assoc Failed!, Error:'1146', SQL:"SELECT * FROM plugin_temp_table_19336 WHERE (plugin_temp_table_19336.name LIKE '%%%%') ORDER BY name ASC LIMIT 0,30"

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: SQL Cell Failed!, Error:'1146', SQL:"SELECT count(*) FROM plugin_temp_table_19336 WHERE (plugin_temp_table_19336.name LIKE '%%%%')"

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'1146', SQL:"REPLACE INTO plugin_temp_table_19336 (directory, name, status, author, webpage, version) VALUES ('thold', 'Thresholds', '0', 'Jimmy Conner', 'http://docs.cacti.net/plugin:thold', '0.4.9')'

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'1146', SQL:"REPLACE INTO plugin_temp_table_19336 (directory, name, status, author, webpage, version) VALUES ('monitor', 'Device Monitoring', '0', 'Jimmy Conner', 'http://cactiusers.org', '1.3')'

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'1146', SQL:"INSERT INTO plugin_temp_table_19336 SELECT * FROM plugin_config'

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'1146', SQL:"TRUNCATE plugin_temp_table_19336'

01/24/2013 05:48:42 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'1044', SQL:"CREATE TEMPORARY TABLE IF NOT EXISTS plugin_temp_table_19336 LIKE plugin_config'