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`='f512e096758822b3c6f6535e14237f7e',`time`=1711720199,`ip`=X'22cd02cf',`location`='/newreply.php?tid=272&replyto=1699',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0