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`='b00e576a13a278667f29244f6a5b20e2',`time`=1711653769,`ip`=X'03e6a2ee',`location`='/showthread.php?tid=625&action=newpost',`useragent`='claudebot',`location1`=5,`location2`=625,`nopermission`=0