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`='03cdb6073be1a86e848c202e11b5be07',`time`=1711619528,`ip`=X'03d7b7c2',`location`='/showthread.php?mode=linear&tid=72&pid=277',`useragent`='claudebot',`location1`=29,`location2`=72,`nopermission`=0