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 ('a2a6a1a281eebde02b6488f61df64b1e','0','18.209.63.120','claudebot','1711672728','calendar.php?sid=fc31b618ae18912c7d8621ebc29be03f','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: 29.03.2024 @ 01:38
Script: /calendar.php?sid=fc31b618ae18912c7d8621ebc29be03f
Referer: