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`='44b46db23ab1130487768e223fdb5985',`time`=1711700417,`ip`=X'035148f7',`location`='/showthread.php?tid=16&action=newpost',`useragent`='claudebot',`location1`=16,`location2`=16,`nopermission`=0