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`='6397a801efb58d8efbf534706a007455',`time`=1711656593,`ip`=X'641a8cb3',`location`='/showthread.php?tid=324&pid=756',`useragent`='claudebot',`location1`=8,`location2`=324,`nopermission`=0