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 ('c82b49b9c36d8236ffb8eab5e72c21ab','0','3.15.219.64','claudebot','1713407068','register.php?sid=c5bf8e100415c09a2c59e760a8538cad','0','0','')
mysql error: The table 'bb1_sessions' is full
mysql error number: 1114
mysql version: 10.0.32-MariaDB-0+deb8u1
php version: 5.6.33-0+deb8u1
Date: 18.04.2024 @ 04:24
Script: /register.php?sid=c5bf8e100415c09a2c59e760a8538cad
Referer: