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`='301dae65eaf8dc847d0946be506a7820',`time`=1711703878,`ip`=X'2cd278b6',`location`='/showthread.php?tid=358',`useragent`='claudebot',`location1`=29,`location2`=358,`nopermission`=0