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`='b7e78a7c861d73969bbd5e0d0a5ba708',`time`=1711626463,`ip`=X'23ade9b0',`location`='/showthread.php?tid=271&pid=1696',`useragent`='claudebot',`location1`=8,`location2`=271,`nopermission`=0