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`='305cc42b2d8ab4163a1fc65941ae5cc3',`time`=1711699027,`ip`=X'36f2bfd6',`location`='/newreply.php?tid=305&replyto=1863',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0