Could not insert/update private message sent text.

DEBUG MODE

INSERT INTO phpbb_privmsgs_text (privmsgs_text_id, privmsgs_bbcode_uid, privmsgs_text) VALUES (129512, '4a7f155f93', 'HI Arwen ... I have three PMs in my Inbox and I can''t open any of them ... when I try, all I get is this message:: [quote:4a7f155f93]Could not query private message post information DEBUG MODE SQL Error : 1016 Can''t open file: ''phpbb_privmsgs_text.MYI'' (errno: 145) SELECT u.username AS username_1, u.user_id AS user_id_1, u2.username AS username_2, u2.user_id AS user_id_2, u.user_sig_bbcode_uid, u.user_posts, u.user_from, u.user_website, u.user_email, u.user_icq, u.user_aim, u.user_yim, u.user_regdate, u.user_msnm, u.user_viewemail, u.user_rank, u.user_sig, u.user_avatar, pm.*, pmt.privmsgs_bbcode_uid, pmt.privmsgs_text FROM phpbb_privmsgs pm, phpbb_privmsgs_text pmt, phpbb_users u, phpbb_users u2 WHERE pm.privmsgs_id = 128906 AND pmt.privmsgs_text_id = pm.privmsgs_id AND pm.privmsgs_to_userid = 1614 AND ( pm.privmsgs_type = 0 OR pm.privmsgs_type = 1 OR pm.privmsgs_type = 5 ) AND u.user_id = pm.privmsgs_from_userid AND u2.user_id = pm.privmsgs_to_userid Line : 240 File : privmsg.php [/quote:4a7f155f93] ')

Line : 1322
File : privmsg.php