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`='826e4179e21b648a11132644f47120d8',`time`=1711712187,`ip`=X'2cd54161',`location`='/showthread.php?mode=threaded&tid=320&pid=560',`useragent`='claudebot',`location1`=8,`location2`=320,`nopermission`=0