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`='3847d8b0ea1c448ffa556a0210072c6d',`time`=1711634051,`ip`=X'23afec2c',`location`='/reputation.php?uid=879',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0