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`='39dde1060ae23439c5f79e9d6d5853c8',`time`=1711702129,`ip`=X'2cc5d624',`location`='/showthread.php?tid=38&action=lastpost',`useragent`='claudebot',`location1`=6,`location2`=38,`nopermission`=0