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`='c0d8cc4967a352e806f5c80b3a341dbb',`time`=1711707619,`ip`=X'23af8547',`location`='/showthread.php?tid=464&pid=2568',`useragent`='claudebot',`location1`=10,`location2`=464,`nopermission`=0