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 ('7993f5f966a89d335079499ea59976ea','0','3.15.221.67','claudebot','1713479478','pms.php?action=newpm&userid=1&sid=fdd2a29093f1661ef49dac7a46ea9c39','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 @ 00:31
Script: /pms.php?action=newpm&userid=1&sid=fdd2a29093f1661ef49dac7a46ea9c39
Referer: