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`='d7244d953d9f8b9aa4045f5816137d80',`time`=1711715211,`ip`=X'03e86cab',`location`='/showthread.php?tid=621&action=newpost',`useragent`='claudebot',`location1`=29,`location2`=621,`nopermission`=0