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 ('75b053471e88dcd3ae542f399d4daf26','0','216.73.216.4','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1760952633','formmail.php?threadid=31900','0','0','')
mysql error: Duplicate entry '75b053471e88dcd3ae542f399d4daf26' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-log
php version: 7.4.33
Date: 20.10.2025 @ 11:30
Script: /formmail.php?threadid=31900
Referer: