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`='0ca33a6430dfd14833a66b4f55adb4ad',`time`=1711640444,`ip`=X'23afec2c',`location`='/showthread.php?tid=604&action=lastpost',`useragent`='claudebot',`location1`=7,`location2`=604,`nopermission`=0