Fatal error: SQL ERROR [ mysql ]

Incorrect key file for table '/tmp/#sql_7f74_0.MYI'; try to repair it

CALLING PAGE

/rss.php&

SQL

SELECT DISTINCT B.*, U.username FROM sc_users AS U, sc_bookmarks AS B WHERE B.uId = U.uId AND B.bStatus = 0 ORDER BY B.bDatetime DESC LIMIT 15
in /home/ourblogs/public_html/includes/db/mysql.php on line 390