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`='c81b3045ce28981e1df65410d52b5be9',`time`=1711633357,`ip`=X'2cc82861',`location`='/ratethread.php?tid=333&rating=4&my_post_key=d2eaabe2f5f0ee43c31f61e86e33dc52',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0