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`='3dfed35e4811c1c13e2507d1ec192a3e',`time`=1711705475,`ip`=X'2cc8c426',`location`='/misc.php?action=whoposted&tid=335',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0