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`='6e7acaaa17e135eb279dedeca8cb5e46',`time`=1711694528,`ip`=X'035b6a9d',`location`='/member.php?action=profile&uid=23493',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0