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`='a2d3620542e046953a9d78ebfd06566a',`time`=1711706385,`ip`=X'36e244b5',`location`='/member.php?action=profile&uid=1010',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0