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`='5ff978603d1727aa7d293be8159c3d89',`time`='1711615293',`ip`='18.208.172.3',`location`='/calendar.php?calendar=1&year=2018&month=8',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'