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 ('201e9ee304b2f97666e7a8bea45c3395','0','18.220.140.173','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745232027','editpost.php?postid=981','0','0','')
mysql error: Duplicate entry '201e9ee304b2f97666e7a8bea45c3395' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:40
Script: /editpost.php?postid=981
Referer: http://gttempel.de/editpost.php?postid=981