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`='7f833bf364a78d14c8c549b4c0a198dc',`time`=1711721071,`ip`=X'035a2356',`location`='/newreply.php?tid=310&replyto=1885',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0