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`='76b072b8e2c126616fd4e47cebd71986',`time`=1711616989,`ip`=X'2cc84d3b',`location`='/showthread.php?tid=310&pid=1883&mode=threaded',`useragent`='claudebot',`location1`=8,`location2`=310,`nopermission`=0