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 ('31bc5f2165d46a8599b7615f3fcd2e21','0','18.188.108.54','claudebot','1713482241','register.php?sid=c4a89fdc85487cb90fb034d95802a1b9','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: 19.04.2024 @ 01:17
Script: /register.php?sid=c4a89fdc85487cb90fb034d95802a1b9
Referer: