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`='149b1d815f692c5b2ee95c3df383b97b',`time`=1711691011,`ip`=X'12eacaca',`location`='/showthread.php?tid=233&pid=1361',`useragent`='claudebot',`location1`=9,`location2`=233,`nopermission`=0