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`='f2b0212f9b9bb24992da8176b6116b36',`time`=1711615534,`ip`=X'36c41b7a',`location`='/memberlist.php?username_match=begins&username=L',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0