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 ('bea5e39385fe793fb9c91e4398b0734d','0','3.144.132.48','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744878193','thread.php?postid=3871','0','0','')
mysql error: Duplicate entry 'bea5e39385fe793fb9c91e4398b0734d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 10:23
Script: /thread.php?postid=3871
Referer: http://www.gttempel.de/thread.php?goto=lastpost&threadid=434