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 ('311e2e15c1419d82b5a64141d791fb33','0','18.218.61.16','claudebot','1713283399','formmail.php?userid=356&sid=83278c06ca4c9b53a0eb5b29733b593c','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: 16.04.2024 @ 18:03
Script: /formmail.php?userid=356&sid=83278c06ca4c9b53a0eb5b29733b593c
Referer: