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`='7a4055c3f56a3999646bbacc0efbd4c3',`time`=1711704807,`ip`=X'2ccc7d6f',`location`='/showthread.php?tid=70&pid=300',`useragent`='claudebot',`location1`=6,`location2`=70,`nopermission`=0