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`='63b9ac4776aac9229043ccbe580132dc',`time`=1711695652,`ip`=X'035c54fd',`location`='/showthread.php?tid=349&action=lastpost',`useragent`='claudebot',`location1`=9,`location2`=349,`nopermission`=0