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`='6306d3105040ea9a737a3d05f6535ffa',`time`=1711660835,`ip`=X'03e6a2ee',`location`='/forumdisplay.php?fid=2&page=342',`useragent`='claudebot',`location1`=2,`location2`=0,`nopermission`=0