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`='9debedf313460577fa1466c7a12efc7f',`time`=1711645711,`ip`=X'03ef779f',`location`='/ratethread.php?tid=17&rating=3&my_post_key=a36a1e9f9085ef670d834c781716b939',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0