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`='0f632d06df1eb7a5cad98aac41561eb6',`time`=1711648474,`ip`=X'2cc8b38a',`location`='/showthread.php?mode=linear&tid=408&pid=2806',`useragent`='claudebot',`location1`=9,`location2`=408,`nopermission`=0