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 ('ae20f1bcb023e3233abb6f436a92a6de','0','3.81.222.152','claudebot','1711624678','register.php?sid=1ce385a6e435bacb1d0ea43753b972d1','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 @ 12:17
Script: /register.php?sid=1ce385a6e435bacb1d0ea43753b972d1
Referer: