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`='ebb622f4f757def4bfa79736690f741c',`time`=1711727053,`ip`=X'345bb15b',`location`='/showthread.php?tid=620&action=lastpost',`useragent`='claudebot',`location1`=6,`location2`=620,`nopermission`=0