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`='c270e65d0ce586335f13387f7af328a4',`time`=1711715973,`ip`=X'2cd2561d',`location`='/showthread.php?tid=422&pid=2526',`useragent`='claudebot',`location1`=7,`location2`=422,`nopermission`=0