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`='4cffb398580f4344f915a039f826383d',`time`=1711657443,`ip`=X'36e05a19',`location`='/search.php?action=finduserthreads&uid=39',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0