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`='60a7f33ee7da02ebdefacb7136a2d492',`time`=1711615441,`ip`=X'0357d1a2',`location`='/showthread.php?tid=407',`useragent`='claudebot',`location1`=5,`location2`=407,`nopermission`=0