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`='75fb53b44094eca7678c5ab677b0390d',`time`=1711720336,`ip`=X'36af3bf2',`location`='/showthread.php?tid=510',`useragent`='claudebot',`location1`=6,`location2`=510,`nopermission`=0