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`='0522d71f52449efa2e8312216a22b81f',`time`=1711721775,`ip`=X'03ef5359',`location`='/ratethread.php?tid=528&rating=3&my_post_key=35e9b1f954404c77b0bf7ae64f58d181',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0