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 ('df1981a6271497b190948e44cdc6b025','0','3.144.251.72','claudebot','1713430215','pms.php?action=newpm&userid=2&sid=4bbaf3581e404ebc402a86829a6da58e','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: 18.04.2024 @ 10:50
Script: /pms.php?action=newpm&userid=2&sid=4bbaf3581e404ebc402a86829a6da58e
Referer: