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 ('10d73a444070ffc05e6ae95e10453786','0','3.235.243.45','claudebot','1711624881','register.php?sid=975e9f2f6fe08f02e5a1eb2ae63d9f14','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 @ 12:21
Script: /register.php?sid=975e9f2f6fe08f02e5a1eb2ae63d9f14
Referer: