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`='d642500635a3caed25c3f57e4318b6c0',`time`='1711638047',`ip`='3.231.146.172',`location`='/calendar.php?calendar=1&year=2017&month=9',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'