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`='84622b5230e7ccd27a5d32730baccff7',`time`=1711687478,`ip`=X'12d5048c',`location`='/showthread.php?tid=407&action=newpost',`useragent`='claudebot',`location1`=5,`location2`=407,`nopermission`=0