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 ('b673b697b8e3c46530e05459512e0e60','0','3.14.80.45','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715025843','thread.php?postid=25040','0','0','')
mysql error: Duplicate entry 'b673b697b8e3c46530e05459512e0e60' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 06.05.2024 @ 22:04
Script: /thread.php?postid=25040
Referer: http://www.gttempel.de/thread.php?goto=lastpost&threadid=1251