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`='b424e919109990afb846d03eff8df04d',`time`=1711630573,`ip`=X'03ee8e86',`location`='/newreply.php?tid=233&replyto=4246',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0