MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
126 - Index for table './bclintbe_mbb3/mbb_sessions.MYI' is corrupt; try to repair it
Query:
REPLACE INTO mbb_sessions SET `uid`=0,`sid`='781399cdf53e294c12bc46e05a8ecf75',`time`=1710831765,`ip`=X'6b1755b3',`location`='/mybb/forumdisplay.php?fid=42&datecut=9999&prefix=0&sortby=subject&order=asc',`useragent`='claudebot',`location1`=42,`location2`=0,`nopermission`=0