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`='e15d8a73109cd1f61fdca3ca1de56cce',`time`=1711693830,`ip`=X'2cccc4a1',`location`='/newreply.php?tid=328&replyto=2733',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0