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`='311bbb6f4bc23e2e77f943e74e0681a7',`time`=1711668007,`ip`=X'22e4a8c8',`location`='/forumdisplay.php?fid=16&datecut=9999&prefix=0&sortby=lastpost&order=asc',`useragent`='claudebot',`location1`=16,`location2`=0,`nopermission`=0