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 ('72a6d4b48f94904b612668956e64d3c6','0','3.80.131.164','claudebot','1711615881','pms.php?action=newpm&userid=87&sid=008349921fff72290461b8fb8112f691','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 @ 09:51
Script: /pms.php?action=newpm&userid=87&sid=008349921fff72290461b8fb8112f691
Referer: