SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('6963fce2731047991feab12782961108','0','3.236.146.28','CCBot/2.0 (https://commoncrawl.org/faq/)','1670646826','register.php?sid=a7940514d9ca894b39543ceb0d04db55','0','0','')
mysql error: The table 'bb1_sessions' is full
mysql error number: 1114
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 10.12.2022 @ 05:33
Script: /register.php?sid=a7940514d9ca894b39543ceb0d04db55
Referer: