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`='3bc23e1156436319194a3f2ebf2eeb73',`time`=1711726679,`ip`=X'2cc1d069',`location`='/showthread.php?mode=linear&tid=230&pid=480',`useragent`='claudebot',`location1`=6,`location2`=230,`nopermission`=0