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 ('8773908c37a70b425b6880a39a2da08f','0','216.73.216.177','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1753687663','addreply.php?postid=7203','0','0','')
mysql error: Duplicate entry '8773908c37a70b425b6880a39a2da08f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 28.07.2025 @ 09:27
Script: /addreply.php?postid=7203
Referer: