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`='a25e95671359eae2c50924cf3ea53647',`time`=1711665988,`ip`=X'03eee4bf',`location`='/showthread.php?tid=236&page=3',`useragent`='claudebot',`location1`=9,`location2`=236,`nopermission`=0