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`='f86315bb1425174b09e7e9cd4e7ae5bc',`time`=1711725816,`ip`=X'035bf99c',`location`='/showthread.php?tid=201',`useragent`='claudebot',`location1`=9,`location2`=201,`nopermission`=0