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`='d1aedadea7b4b8b7417ea25a85bf4108',`time`=1711616759,`ip`=X'6418148d',`location`='/printthread.php?tid=346',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0