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`='da0ef9a5d8d8db6472b850eadf8c53a5',`time`=1711667982,`ip`=X'2cc1507e',`location`='/showthread.php?tid=71',`useragent`='claudebot',`location1`=29,`location2`=71,`nopermission`=0