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`='e12105e04253af432fa9500f367dcb32',`time`=1711714846,`ip`=X'36ea2d21',`location`='/showthread.php?tid=6749&action=newpost',`useragent`='claudebot',`location1`=5,`location2`=6749,`nopermission`=0