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 ('1dca5f8afdd470f1bb7e838e3eb310ce','0','54.87.90.21','claudebot','1711725877','formmail.php?threadid=5342&sid=b6521b604f3b2eb6ea8641fff155041c','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 @ 16:24
Script: /formmail.php?threadid=5342&sid=b6521b604f3b2eb6ea8641fff155041c
Referer: