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 ('22a7456b3d1ed538a7bbf6bf82ab9483','0','3.128.205.109','claudebot','1713455251','register.php?sid=41f3ea1c20618e4831d7eb7a661d2b22','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: 18.04.2024 @ 17:47
Script: /register.php?sid=41f3ea1c20618e4831d7eb7a661d2b22
Referer: