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`='ba471b58f182df7690e11fef3b745480',`time`=1711713813,`ip`=X'22e5ac56',`location`='/showthread.php?tid=317&pid=1922&mode=threaded',`useragent`='claudebot',`location1`=8,`location2`=317,`nopermission`=0