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`='faeb9284977c4ac7d178163e839f6d05',`time`=1711643441,`ip`=X'03ecd67b',`location`='/showthread.php?tid=354',`useragent`='claudebot',`location1`=6,`location2`=354,`nopermission`=0