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`='9f2ade713533a143eefc572585544275',`time`=1711697195,`ip`=X'2cdd5379',`location`='/showthread.php?tid=314&pid=2179',`useragent`='claudebot',`location1`=8,`location2`=314,`nopermission`=0