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`='dd744e72f8573add10555b900f1f4440',`time`=1711688251,`ip`=X'b8493862',`location`='/showthread.php?tid=397&pid=2501',`useragent`='claudebot',`location1`=17,`location2`=397,`nopermission`=0