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`='20ae723e62f901fa1ba999a10d23f3f5',`time`=1711659413,`ip`=X'03ec3789',`location`='/search.php?action=finduserthreads&uid=468',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0