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`='0495a6b4af8381ab4a3aeaee52ec8b8f',`time`=1711627009,`ip`=X'03eee9bd',`location`='/showthread.php?tid=3313&pid=10389',`useragent`='claudebot',`location1`=2,`location2`=3313,`nopermission`=0