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`='d8a29e338c653c57ef359c5c342ef516',`time`=1711618740,`ip`=X'2cde9272',`location`='/showthread.php?mode=threaded&tid=287&pid=2152',`useragent`='claudebot',`location1`=8,`location2`=287,`nopermission`=0