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`='f2de3a6a56aa1433a8b02242cebbc515',`time`=1711615228,`ip`=X'22e644d6',`location`='/showthread.php?tid=12&action=newpost',`useragent`='claudebot',`location1`=6,`location2`=12,`nopermission`=0