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`='0cd5bdbe8de3f019f217a7ea7e6cc6e4',`time`=1711664715,`ip`=X'2cc1507e',`location`='/showthread.php?tid=366&pid=2471',`useragent`='claudebot',`location1`=28,`location2`=366,`nopermission`=0