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`='553f7b834cc35ec5761fd4937166c682',`time`=1711647989,`ip`=X'36d27ee8',`location`='/showthread.php?tid=247&pid=1500',`useragent`='claudebot',`location1`=8,`location2`=247,`nopermission`=0