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`='3400a224a4c5e250e5803963beb4aea3',`time`=1711690463,`ip`=X'03eeebb5',`location`='/showthread.php?tid=413',`useragent`='claudebot',`location1`=17,`location2`=413,`nopermission`=0