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`='cbd80f54b8b76299f7ba1c2308beccd8',`time`=1711657844,`ip`=X'035e66e4',`location`='/showthread.php?tid=263&pid=1624',`useragent`='claudebot',`location1`=8,`location2`=263,`nopermission`=0