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`='bb6a4ecd2f1197f0de64f98bf9cf63a1',`time`=1711646588,`ip`=X'36c62d00',`location`='/showthread.php?tid=66&action=newpost',`useragent`='claudebot',`location1`=7,`location2`=66,`nopermission`=0