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`='e966a3966119023cf28e6e933c6f9625',`time`=1711678642,`ip`=X'36905115',`location`='/showthread.php?tid=315&pid=555',`useragent`='claudebot',`location1`=8,`location2`=315,`nopermission`=0