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 ('3c409e77bb036b0f9a98ee118ac097bb','0','13.59.78.40','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745271901','editpost.php?postid=30750','0','0','')
mysql error: Duplicate entry '3c409e77bb036b0f9a98ee118ac097bb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 23:45
Script: /editpost.php?postid=30750
Referer: http://gttempel.de/editpost.php?postid=30750