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`='511afebcbed49c10c88d0112ac0ed4e5',`time`=1710831128,`ip`=X'22edf550',`location`='/mybb/showthread.php?tid=577&pid=1474',`useragent`='claudebot',`location1`=42,`location2`=577,`nopermission`=0