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`='e4c45dea0308e856b29b66690953165a',`time`=1711620772,`ip`=X'36c41bab',`location`='/newreply.php?tid=593&replyto=6076',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0