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 ('d46a6cbdfa563c9c44a008d6aabc13a0','0','44.200.210.43','claudebot','1711656196','register.php?sid=9e0dc032af724ceb6af9bfb3b8bb5988','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 @ 21:03
Script: /register.php?sid=9e0dc032af724ceb6af9bfb3b8bb5988
Referer: