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`='e841f8126eff1e2ec8912fbec6de7e61',`time`=1711696467,`ip`=X'0351a5d2',`location`='/showthread.php?tid=167&pid=404',`useragent`='claudebot',`location1`=19,`location2`=167,`nopermission`=0