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 ('646ee72ec055ef86cc55e95829e43492','0','54.152.5.73','claudebot','1711639770','register.php?sid=b0c4978d1b55323e543967d9317acc0d','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: 28.03.2024 @ 16:29
Script: /register.php?sid=b0c4978d1b55323e543967d9317acc0d
Referer: