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`='7eab346dc0fcb6ad2de23227ababa6bb',`time`=1711621696,`ip`=X'03edbaaa',`location`='/showthread.php?tid=258&pid=691',`useragent`='claudebot',`location1`=8,`location2`=258,`nopermission`=0