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 ('552256835623e01ead5c7bea215a8ffd','0','3.19.56.45','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714752528','thread.php?goto=lastpost&threadid=2519','0','0','')
mysql error: Duplicate entry '552256835623e01ead5c7bea215a8ffd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 03.05.2024 @ 18:08
Script: /thread.php?goto=lastpost&threadid=2519
Referer: http://www.granturismosport.at/thread.php?goto=lastpost&threadid=2519