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`='f5213afce6b65f221b968137ab3e9bf5',`time`=1711646081,`ip`=X'641a236f',`location`='/showthread.php?tid=8&action=lastpost',`useragent`='claudebot',`location1`=5,`location2`=8,`nopermission`=0