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`='1c960784389d430b575b6e42bc1c6e79',`time`=1711691107,`ip`=X'36f260f0',`location`='/showthread.php?tid=446&action=newpost',`useragent`='claudebot',`location1`=29,`location2`=446,`nopermission`=0