MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='82eac749f884554032a50d827b1b9db8',`time`=1711715622,`ip`=X'12ce53a0',`location`='/showthread.php?tid=223&pid=3157',`useragent`='claudebot',`location1`=9,`location2`=223,`nopermission`=0