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 ('855b98fd9006a39982bd8c77a52d840c','0','18.221.15.15','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713600706','thread.php?threadid=5255&sid=c66d3907c01a9b768bcb1ac2d0259c22','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 @ 10:11
Script: /thread.php?threadid=5255&sid=c66d3907c01a9b768bcb1ac2d0259c22
Referer: