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`='063895f65d7b5a75303f244e0a83df87',`time`=1711707988,`ip`=X'22ce033a',`location`='/showthread.php?tid=295&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=295,`nopermission`=0