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`='95af4e73418f7113a4d89a5b45dc3e08',`time`=1711653651,`ip`=X'2cc8d22b',`location`='/showthread.php?tid=333&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=333,`nopermission`=0