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 ('9870b49ae27d7db9e77acb195b8d3e91','0','3.235.120.15','claudebot','1711695552','register.php?sid=e492c13f7ebd40e3e4653d195bb4b1e0','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 @ 07:59
Script: /register.php?sid=e492c13f7ebd40e3e4653d195bb4b1e0
Referer: