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 ('21fe62d47186ad15a55cf0670b97ebd1','0','54.224.100.102','claudebot','1711712099','register.php?sid=0d84b9a79739223c234432cfdfd8f959','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 @ 12:34
Script: /register.php?sid=0d84b9a79739223c234432cfdfd8f959
Referer: