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`='6bf6068357224517fd890a44d2da26e6',`time`=1711720448,`ip`=X'2cc8ae9d',`location`='/ratethread.php?tid=70&rating=5&my_post_key=e09ca2d63c771b5299d35f76d93a2597',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0