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`='e63b66d80796690147e5006b0ff5720a',`time`=1711700304,`ip`=X'2cde711c',`location`='/ratethread.php?tid=367&rating=1&my_post_key=f54266a6a60309f9afe4b9af7c68a373',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0