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`='c103a33842285497b58269d3add1651d',`time`=1711721574,`ip`=X'03510dfe',`location`='/forumdisplay.php?fid=10&datecut=9999&prefix=0&sortby=views&order=desc',`useragent`='claudebot',`location1`=10,`location2`=0,`nopermission`=0