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`='ab3c299f96f6636a3f15815dd1e524da',`time`=1711657677,`ip`=X'36d27ee8',`location`='/showthread.php?mode=linear&tid=20&pid=23',`useragent`='claudebot',`location1`=17,`location2`=20,`nopermission`=0