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`='640e79184e15cb2d90cb18a579b25011',`time`=1711669567,`ip`=X'2cc8b38a',`location`='/showthread.php?tid=433',`useragent`='claudebot',`location1`=29,`location2`=433,`nopermission`=0