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`='4f0e14058062c2f068b6ee1451fd966c',`time`=1711709954,`ip`=X'0355e0d6',`location`='/showthread.php?tid=197',`useragent`='claudebot',`location1`=9,`location2`=197,`nopermission`=0