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`='2df2b210e3100767e9aa35a1d3756922',`time`=1711697227,`ip`=X'2cdcfb39',`location`='/misc.php?action=whoposted&tid=573',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0