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 ('d7110b1070b023765f78516f6fd01bad','0','18.207.160.97','CCBot/2.0 (https://commoncrawl.org/faq/)','1701865854','register.php?sid=3903bc2e33747f1848ed557cd71fabdd','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: 06.12.2023 @ 13:30
Script: /register.php?sid=3903bc2e33747f1848ed557cd71fabdd
Referer: