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`='72e62d3de17bc42d0a9db41245f66b80',`time`=1711721256,`ip`=X'23aa513e',`location`='/showthread.php?tid=377&action=newpost',`useragent`='claudebot',`location1`=5,`location2`=377,`nopermission`=0