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 ('86b7bc5cd7b9b76fc3c134f77d167e64','0','3.209.56.116','claudebot','1711695666','formmail.php?userid=2&sid=243f51773dffd455ffa4be4a2bf3741a','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 @ 08:01
Script: /formmail.php?userid=2&sid=243f51773dffd455ffa4be4a2bf3741a
Referer: