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 ('3272f3f9e3a42e31c12ea24bf3774dc3','0','18.206.12.31','claudebot','1711665434','register.php?sid=ec2846eaf37707bf6d529b6f3dafcddd','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: 28.03.2024 @ 23:37
Script: /register.php?sid=ec2846eaf37707bf6d529b6f3dafcddd
Referer: