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`='ab297acda131a26604a4c3b1879a5dc0',`time`=1711721269,`ip`=X'36513d0e',`location`='/showthread.php?mode=linear&tid=241&pid=2646',`useragent`='claudebot',`location1`=9,`location2`=241,`nopermission`=0