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`='542e6f465acb1cf2ce95a0d90291f6a9',`time`=1711697372,`ip`=X'2cdf05da',`location`='/showthread.php?tid=241',`useragent`='claudebot',`location1`=9,`location2`=241,`nopermission`=0