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`='7cba404741cd607497688f8859545a7e',`time`=1711695112,`ip`=X'2cc5bff0',`location`='/showthread.php?tid=659&pid=6142',`useragent`='claudebot',`location1`=17,`location2`=659,`nopermission`=0