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 ('a13fd701b5c3d8a10f2778a41020f790','0','216.73.216.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1761419331','editpost.php?postid=5016','0','0','')
mysql error: Duplicate entry 'a13fd701b5c3d8a10f2778a41020f790' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 25.10.2025 @ 21:08
Script: /editpost.php?postid=5016
Referer: