Fatal error: Uncaught exception 'PDOException' with message 'could not find driver' in /home/vol13/byethost14.com/b14_10627907/htdocs/wap/db/db.php:24 Stack trace: #0 /home/vol13/byethost14.com/b14_10627907/htdocs/wap/db/db.php(24): PDO->__construct('sqlite:/home/vo...') #1 /home/vol13/byethost14.com/b14_10627907/htdocs/wap/db/db.php(10): dbclass->connect() #2 /home/vol13/byethost14.com/b14_10627907/htdocs/wap/temp/bbs.php(28): dbclass->__construct('db/bbs.db3') #3 /home/vol13/byethost14.com/b14_10627907/htdocs/wap/read.php(29): include('/home/vol13/bye...') #4 {main} thrown in/home/vol13/byethost14.com/b14_10627907/htdocs/wap/db/db.phpon line24

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请问怎么回事？

1. 是用虎绿程序执行sql出错的么

2. 不支持PDO

3. 数据库？