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 ('28b29024761575d44bc5659966a8c163','0','18.222.199.33','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744882356','thread.php?page=3&threadid=140','0','0','')
mysql error: Duplicate entry '28b29024761575d44bc5659966a8c163' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 11:32
Script: /thread.php?page=3&threadid=140
Referer: http://gttempel.de/thread.php?page=3&threadid=140