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`='9b2a210d3a502becc4d9111aef951b5c',`time`=1711724864,`ip`=X'343713bd',`location`='/showthread.php?tid=58&action=lastpost',`useragent`='claudebot',`location1`=4,`location2`=58,`nopermission`=0