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 ('2204ff240156f8fd0ff1b6f4eaec0e01','0','18.221.15.15','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714140280','usercp.php?action=buddy&add=1&sid=070ff8c4de87ce0e6f6ab1d4eff22b51','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: 26.04.2024 @ 16:04
Script: /usercp.php?action=buddy&add=1&sid=070ff8c4de87ce0e6f6ab1d4eff22b51
Referer: