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`='c97c51c1d36ac374601c7666ff3abda5',`time`=1711640956,`ip`=X'03eee9bd',`location`='/search.php?action=finduserthreads&uid=459',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0