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`='c9d40655671a38ecb6b2b1b488330b24',`time`=1711638421,`ip`=X'2cc8a95b',`location`='/newreply.php?tid=235&replyto=1387',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0