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`='dd1ab7444193dd949d0ff5e56b39256e',`time`=1711652218,`ip`=X'345ad38d',`location`='/showthread.php?tid=6700&action=lastpost',`useragent`='claudebot',`location1`=5,`location2`=6700,`nopermission`=0