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`='5bcf1404229a05a2ee3cdabfebf8b14d',`time`=1711701311,`ip`=X'23aff658',`location`='/showthread.php?tid=303&page=2',`useragent`='claudebot',`location1`=8,`location2`=303,`nopermission`=0