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`='7a31f939cc4d08a455a3a637f781646d',`time`=1711700973,`ip`=X'2cc8f0cd',`location`='/showthread.php?tid=393&action=lastpost',`useragent`='claudebot',`location1`=5,`location2`=393,`nopermission`=0