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`='a5d77fc5ae2d46bb810af455f7cd0b45',`time`=1711712843,`ip`=X'22c9adf4',`location`='/ratethread.php?tid=38&rating=1&my_post_key=fd898500129cdce0fb5d240f1d2e217b',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0