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 ('c91fe3b5b36ca9f15e33a049e9f7e0b7','0','18.117.196.217','claudebot','1713494148','pms.php?action=newpm&userid=42&sid=2dec037c5f01e1d576ec62fcd841fbbc','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: 19.04.2024 @ 04:35
Script: /pms.php?action=newpm&userid=42&sid=2dec037c5f01e1d576ec62fcd841fbbc
Referer: