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`='195fbcca96d170facd687df8679d451a',`time`=1711661451,`ip`=X'03ee8e86',`location`='/showthread.php?tid=8&pid=2212',`useragent`='claudebot',`location1`=5,`location2`=8,`nopermission`=0