MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
126 - Index for table './default_mivn1/irmn_sessions.MYI' is corrupt; try to repair it
Query:
REPLACE INTO irmn_sessions SET `uid`=0,`sid`='b1db630184e9a8801b7cf89dccfc7c89',`time`=1711635281,`ip`=X'b84887d2',`location`='/ratethread.php?tid=3571&rating=3&my_post_key=9865d5893e1d3e745dfa66afdea345cb',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0