MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1114 - The table 'mybb_sessions' is full
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='705a7a689da34d4ae18e227455abfee6',`time`='1711616228',`ip`='18.206.12.31',`location`='/showthread.php?tid=65901&action=newpost',`useragent`='claudebot',`location1`='4',`location2`='65901',`nopermission`='0'