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`='f7f1533fdbef249b9b3454445b7f4d89',`time`=1711727886,`ip`=X'2cd54161',`location`='/showthread.php?tid=674&pid=7157',`useragent`='claudebot',`location1`=7,`location2`=674,`nopermission`=0