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 ('8cc403f1f31ad9e026cf6403ace48452','0','44.222.128.90','claudebot','1711690601','register.php?sid=4609d8725a5c7ae4d9314c65ae5440d2','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 @ 06:36
Script: /register.php?sid=4609d8725a5c7ae4d9314c65ae5440d2
Referer: