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 ('cca2d2a8ccaa14207fc7fa6ad5a6e5bc','0','18.218.61.16','claudebot','1713479176','pms.php?action=newpm&userid=42&sid=76e6b07282def4c7e7bbe810013627fa','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 @ 00:26
Script: /pms.php?action=newpm&userid=42&sid=76e6b07282def4c7e7bbe810013627fa
Referer: