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`='488449b2f5a5debd086cb29b54820a04',`time`=1711624916,`ip`=X'6418148d',`location`='/showthread.php?tid=399',`useragent`='claudebot',`location1`=28,`location2`=399,`nopermission`=0