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 ('6a87be9ae8e5dd77e102045ee8f50e2e','0','44.221.46.132','claudebot','1711680043','register.php?sid=269a9d55f6cf699867d28fefd1b5eaa2','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 @ 03:40
Script: /register.php?sid=269a9d55f6cf699867d28fefd1b5eaa2
Referer: