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`='418fed08e8d21315c5981f3bee3a6dd6',`time`=1711704342,`ip`=X'36ea7c46',`location`='/newreply.php?tid=283&replyto=1755',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0