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 ('b6a074d2dd481c8fc58c742bdeff5b7d','0','54.173.43.215','claudebot','1711643522','register.php?sid=e7514c0b4765e2ba5e1117a152d742d8','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: 28.03.2024 @ 17:32
Script: /register.php?sid=e7514c0b4765e2ba5e1117a152d742d8
Referer: