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 ('202e5aa5aa6c161ade1176662db864ae','0','3.81.144.39','claudebot','1711701047','calendar.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: 29.03.2024 @ 09:30
Script: /calendar.php?sid=41f3ea1c20618e4831d7eb7a661d2b22
Referer: