SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('ebf36cba3ee58bf1749ce4f5d664228f','0','216.73.216.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751395675','formmail.php?threadid=887','0','0','')
mysql error: Duplicate entry 'ebf36cba3ee58bf1749ce4f5d664228f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 01.07.2025 @ 20:47
Script: /formmail.php?threadid=887
Referer: