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`='ccb363e86ab31e5196e96c9a4feff9c0',`time`=1711702044,`ip`=X'22eb9697',`location`='/showthread.php?tid=233&action=lastpost',`useragent`='claudebot',`location1`=9,`location2`=233,`nopermission`=0