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 ('fbd11b0272b531d8fe2453f5e76b8039','0','3.139.86.56','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714027820','register.php?sid=616f08cb68a1de5d0baf48ee3b4c4013','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 @ 08:50
Script: /register.php?sid=616f08cb68a1de5d0baf48ee3b4c4013
Referer: