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`='48480fd91f038ec5832af5183c19397b',`time`=1711690817,`ip`=X'3691b722',`location`='/newreply.php?tid=337&replyto=2448',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0