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`='828a998eadab07bf5773c3a751c2818d',`time`=1711648603,`ip`=X'03e3ef09',`location`='/showthread.php?tid=337&pid=769',`useragent`='claudebot',`location1`=8,`location2`=337,`nopermission`=0