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`='c4c18bf92be02996ae5cf0a5809070e6',`time`=1711687648,`ip`=X'03ecd9ac',`location`='/showthread.php?mode=linear&tid=72&pid=277',`useragent`='claudebot',`location1`=29,`location2`=72,`nopermission`=0