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`='06c527d17c08248d2542573c269cb1f6',`time`=1711632295,`ip`=X'2cc8276e',`location`='/showthread.php?tid=20881&pid=109857',`useragent`='claudebot',`location1`=2,`location2`=20881,`nopermission`=0