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 ('94391876959e759935edd5d4851af266','0','18.191.240.243','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713568710','pms.php?action=newpm&userid=5&sid=56e253f7eb40d4b19b1fc9b3bc196e21','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: 20.04.2024 @ 01:18
Script: /pms.php?action=newpm&userid=5&sid=56e253f7eb40d4b19b1fc9b3bc196e21
Referer: