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 ('9ad936f6d75b4f635d8b9f1b52c7bf6d','0','54.145.183.34','claudebot','1711721002','register.php?sid=7e51e948c2b18006c5ec4534d5b6942e','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: 29.03.2024 @ 15:03
Script: /register.php?sid=7e51e948c2b18006c5ec4534d5b6942e
Referer: