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`='67878c078a3f368d37270f820dfdf63f',`time`=1711658040,`ip`=X'03e3efa0',`location`='/showthread.php?tid=464&pid=4465',`useragent`='claudebot',`location1`=10,`location2`=464,`nopermission`=0