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`='057565ec89f4e4899ba6d7c62ca812a8',`time`=1711698062,`ip`=X'23aa424e',`location`='/showthread.php?tid=18952',`useragent`='claudebot',`location1`=6,`location2`=18952,`nopermission`=0