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`='67b8aee84fe9ddef1a7ff3fa427832c6',`time`=1711719873,`ip`=X'03ed007b',`location`='/showthread.php?tid=230&pid=480',`useragent`='claudebot',`location1`=6,`location2`=230,`nopermission`=0