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`='8aafd959beaa8999788eb76b3a6f2e72',`time`=1711676825,`ip`=X'12e8bc7a',`location`='/showthread.php?mode=threaded&tid=277&pid=1722',`useragent`='claudebot',`location1`=8,`location2`=277,`nopermission`=0