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 ('6849f68efe1555ccd1252bb5c2631ab6','0','18.119.104.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745233604','editpost.php?postid=20895','0','0','')
mysql error: Duplicate entry '6849f68efe1555ccd1252bb5c2631ab6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 13:06
Script: /editpost.php?postid=20895
Referer: http://gttempel.de/editpost.php?postid=20895