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 ('32557ee5c5872d1ac0e705021f430f6b','0','3.15.202.4','claudebot','1713467957','calendar.php?sid=101231b1d1c46878e6cb314b20abf0b5','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 @ 21:19
Script: /calendar.php?sid=101231b1d1c46878e6cb314b20abf0b5
Referer: