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 ('bcc616dfca722c039a2e01acf877fd70','0','18.191.108.168','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714011415','pms.php?action=newpm&userid=152&sid=243f51773dffd455ffa4be4a2bf3741a','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: 25.04.2024 @ 04:16
Script: /pms.php?action=newpm&userid=152&sid=243f51773dffd455ffa4be4a2bf3741a
Referer: