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 ('f694ed8a4b695979c2bf723b401b0870','0','3.81.165.210','claudebot','1711688022','search.php?sid=f1e7955fbba8e14cbaaf1223c3cdc931','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 @ 05:53
Script: /search.php?sid=f1e7955fbba8e14cbaaf1223c3cdc931
Referer: