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`='47f88857438e876d542416770b775fbd',`time`=1711717112,`ip`=X'2cd2eddf',`location`='/showthread.php?tid=323&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=323,`nopermission`=0