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`='d85c0242bb6b68fae25bb0a460a8a5ac',`time`=1711705595,`ip`=X'36f216f7',`location`='/showthread.php?tid=326',`useragent`='claudebot',`location1`=8,`location2`=326,`nopermission`=0