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 ('c301c9c43f1b6429f06f88e33929d469','0','3.141.100.120','claudebot','1713477711','register.php?sid=e4455bb7d55ef6e7bbf007f40ba25026','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: 19.04.2024 @ 00:01
Script: /register.php?sid=e4455bb7d55ef6e7bbf007f40ba25026
Referer: