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 ('a1476148f15397b7b0f5a4f5d93da829','0','3.15.221.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713530698','usercp.php?action=addsubscription&threadid=5346&sid=ad14dc20959b7d287508578f9cf450e2','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 @ 14:44
Script: /usercp.php?action=addsubscription&threadid=5346&sid=ad14dc20959b7d287508578f9cf450e2
Referer: