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`='9e08fcc005fc55e22522f6c6e4b4092f',`time`=1711689736,`ip`=X'23adfe24',`location`='/showthread.php?tid=72&pid=129',`useragent`='claudebot',`location1`=29,`location2`=72,`nopermission`=0