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`='92c2b7e77c304f5108c55b10a2f66549',`time`=1711697458,`ip`=X'365c9b5d',`location`='/showthread.php?tid=458&action=newpost',`useragent`='claudebot',`location1`=6,`location2`=458,`nopermission`=0