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`='dad86064eff494139da4f75dfd3f00f3',`time`=1711651177,`ip`=X'0351de98',`location`='/memberlist.php?perpage=20&sort=regdate&order=descending',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0