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`='2a1edfe1100b584f53a54378917f4345',`time`=1711695601,`ip`=X'239986a9',`location`='/showthread.php?tid=309',`useragent`='claudebot',`location1`=8,`location2`=309,`nopermission`=0