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`='e3ed33a4b4c881ec66e049cfb7659d61',`time`=1711642909,`ip`=X'2cc89172',`location`='/newreply.php?tid=249&replyto=1524',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0