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`='40da85eb2aa5cc254faaf9b6cb8501c2',`time`=1711721844,`ip`=X'0358d3e3',`location`='/ratethread.php?tid=268&rating=5&my_post_key=687f7f308b6c7ac55f2aef72b346fbed',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0