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 ('9825a5d8ef97b4a883a9096728c066c5','0','35.175.133.71','claudebot','1711726775','register.php?sid=2586695c0bb3b677a1ad917a7ca13c11','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 @ 16:39
Script: /register.php?sid=2586695c0bb3b677a1ad917a7ca13c11
Referer: