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 ('47c92c7dff8620ba1c103d9be19cc634','0','44.220.251.57','claudebot','1711702093','register.php?sid=47fd6b4c2674f58f89e2c015abb2245b','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 @ 09:48
Script: /register.php?sid=47fd6b4c2674f58f89e2c015abb2245b
Referer: