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`='7081cc60e9aab7fb1563948a39f5034f',`time`=1711702012,`ip`=X'365b133e',`location`='/showthread.php?tid=335&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=335,`nopermission`=0