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`='9e71478e1402ae238f271e25456946a4',`time`=1711727410,`ip`=X'23a871f8',`location`='/showthread.php?tid=604&action=newpost',`useragent`='claudebot',`location1`=7,`location2`=604,`nopermission`=0