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`='3a720ecd7b898397cc98e6b6a1514cbf',`time`=1711696380,`ip`=X'171433a2',`location`='/newreply.php?tid=259&replyto=1635',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0