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 ('f40d51b5766c36be92381973bebb85af','0','3.235.46.191','claudebot','1711673044','pms.php?action=newpm&userid=5&sid=83278c06ca4c9b53a0eb5b29733b593c','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 @ 01:44
Script: /pms.php?action=newpm&userid=5&sid=83278c06ca4c9b53a0eb5b29733b593c
Referer: