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`='11b13ca605d1c06f1a098c6b0a68dec9',`time`=1711666055,`ip`=X'2cc82861',`location`='/showthread.php?tid=592',`useragent`='claudebot',`location1`=29,`location2`=592,`nopermission`=0