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`='047327ec9d2a690987c44beba09e1c55',`time`=1711673528,`ip`=X'22cbdd68',`location`='/misc.php?action=whoposted&tid=470',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0