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 ('f6f4e567359c4d9a0b0808baca2035c8','0','18.218.129.100','claudebot','1713479057','register.php?sid=36d9cfb9b1bd42a5bacd4dcaf0568baf','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 @ 00:24
Script: /register.php?sid=36d9cfb9b1bd42a5bacd4dcaf0568baf
Referer: