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`='142525b228bf8fba465ce93b8e626642',`time`=1710846201,`ip`=X'1714dc3b',`location`='/mybb/showthread.php?tid=577&action=lastpost',`useragent`='claudebot',`location1`=42,`location2`=577,`nopermission`=0