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`='37b9e2df22e6e77c0d7429d9a0f58d96',`time`=1711662140,`ip`=X'03514f87',`location`='/showthread.php?tid=7286&pid=97039',`useragent`='claudebot',`location1`=2,`location2`=7286,`nopermission`=0