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`='5254199698f6ca1433da2d83030afed5',`time`=1711717300,`ip`=X'22ce0190',`location`='/showthread.php?tid=6&action=lastpost',`useragent`='claudebot',`location1`=10,`location2`=6,`nopermission`=0