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`='d4f9bf9e75e4c43f615977408a5f1cec',`time`=1711628572,`ip`=X'12ce0c1f',`location`='/showthread.php?tid=3565&action=nextnewest',`useragent`='claudebot',`location1`=2,`location2`=3565,`nopermission`=0