database crash..help

[geevest.com]

im post in my forum...and database crahs...this message

Invalid SQL:

REPLACE INTO postindex
(wordid, postid, score, intitle)
VALUES
(1545, 39294, 1, 1), (1746, 39294, 1, 0), (7131, 39294, 1, 0), (27537, 39294, 1, 0), (5980, 39294, 1, 0), (58, 39294, 2, 0), (10631, 39294, 1, 0), (1008, 39294, 1, 0), (10875, 39294, 1, 0), (10784, 39294, 1, 0), (17088, 39294, 1, 0), (21394, 39294, 3, 0), (5924, 39294, 1, 0), (1595, 39294, 1, 0), (89, 39294, 1, 0), (1371, 39294, 1, 0), (1641, 39294, 1, 0), (3331, 39294, 1, 0), (48746, 39294, 1, 0), (156, 39294, 1, 0), (42, 39294, 1, 0), (1242, 39294, 1, 0), (7887, 39294, 1, 0), (2112, 39294, 1, 0), (151, 39294, 1, 0);

MySQL Error : Can't open file: 'postindex.MYI'. (errno: 145)
Error Number : 1016

anyone can help me?