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`='043d8fbe6c4198655105449ac1a01738',`time`=1711615865,`ip`=X'3437d6ec',`location`='/ratethread.php?tid=269&rating=2&my_post_key=72bbafb69c764dae2dfc8422bc2c35d3',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0