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`='1e0b4303a0cbf17cbcd55d14fcb4e428',`time`=1711632734,`ip`=X'03597498',`location`='/showthread.php?tid=242',`useragent`='claudebot',`location1`=9,`location2`=242,`nopermission`=0