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 ('3fc4e3236779d0b943160ef05a2866d9','0','54.225.35.224','claudebot','1711632219','register.php?sid=b751660bff9c2cd6de3f9d48711a0c9f','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 @ 14:23
Script: /register.php?sid=b751660bff9c2cd6de3f9d48711a0c9f
Referer: