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 ('1b61259421d083523ad6662dce1910d0','0','3.236.57.1','claudebot','1711711118','register.php?sid=9fd9ccfd86a1540e29044976071eba25','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 @ 12:18
Script: /register.php?sid=9fd9ccfd86a1540e29044976071eba25
Referer: