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 ('7f9f8b7e2235b270eee2297d2ea27149','0','3.238.6.55','claudebot','1711696739','formmail.php?userid=2&sid=56e253f7eb40d4b19b1fc9b3bc196e21','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 @ 08:18
Script: /formmail.php?userid=2&sid=56e253f7eb40d4b19b1fc9b3bc196e21
Referer: