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`='9321a51a2a9014fbf081a7366394e33f',`time`=1711704315,`ip`=X'12e87dbc',`location`='/member.php?action=profile&uid=22379',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0