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`='c47b23abc1e36dae5bb32a11ed2307fb',`time`=1711614595,`ip`=X'369ef827',`location`='/showthread.php?tid=287&pid=1772',`useragent`='claudebot',`location1`=8,`location2`=287,`nopermission`=0