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`='daf724d56f3abee3f8dd50502a62eba1',`time`=1711617353,`ip`=X'36e123e0',`location`='/showthread.php?tid=435&action=newpost',`useragent`='claudebot',`location1`=7,`location2`=435,`nopermission`=0