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`='1b58ad2d59ba5ddaabcc5948f90c21d3',`time`=1711638598,`ip`=X'03ee3e77',`location`='/showthread.php?tid=241&pid=1436',`useragent`='claudebot',`location1`=9,`location2`=241,`nopermission`=0