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`='7ea97ead63c490281cdb3800100d3a1c',`time`=1711718115,`ip`=X'369e8aa1',`location`='/showthread.php?tid=321',`useragent`='claudebot',`location1`=8,`location2`=321,`nopermission`=0