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`='4664509a9924ffa448889e5d7af10020',`time`=1711677934,`ip`=X'035b131c',`location`='/showthread.php?tid=278',`useragent`='claudebot',`location1`=8,`location2`=278,`nopermission`=0