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 ('df1c6fb3560e7d8c3dd0f355ad9ef8ee','0','3.133.137.34','claudebot','1713479993','register.php?sid=a1d364d3123dcc2ba0fd4dd281e2731d','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 @ 00:39
Script: /register.php?sid=a1d364d3123dcc2ba0fd4dd281e2731d
Referer: