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`='d848ff7eefdeec12c5f50e2d68da5dbb',`time`=1711652188,`ip`=X'03e57cec',`location`='/showthread.php?tid=6751&action=newpost',`useragent`='claudebot',`location1`=5,`location2`=6751,`nopermission`=0