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`='1465f33f33da755bab03c6b6370dd8fd',`time`=1711717719,`ip`=X'2cdd5379',`location`='/showthread.php?tid=580',`useragent`='claudebot',`location1`=6,`location2`=580,`nopermission`=0