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`='50eda3b0e0015d98543bd8e8bb5a61bf',`time`=1711709148,`ip`=X'345aeb5b',`location`='/newreply.php?tid=274&replyto=890',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0