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`='4b664e5c3d5b1558615f9291aa78f732',`time`=1711646640,`ip`=X'2ccab776',`location`='/showthread.php?tid=398&action=lastpost',`useragent`='claudebot',`location1`=9,`location2`=398,`nopermission`=0