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 ('2b07b5bc9bf5a429647259e82e853911','0','54.87.90.21','claudebot','1711707290','register.php?sid=2dc6799afd9adcce42184e8a96bf3cd4','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 @ 11:14
Script: /register.php?sid=2dc6799afd9adcce42184e8a96bf3cd4
Referer: