SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('f68a11271c54373ff751d54d5a405532','0','3.133.147.87','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715140808','thread.php?threadid=2040&threadview=0&hilight=&hilightuser=0&sid=c39df7046612a821a4642fa6ca6a3274','0','0','')
mysql error: Duplicate entry 'f68a11271c54373ff751d54d5a405532' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 06:00
Script: /thread.php?threadid=2040&threadview=0&hilight=&hilightuser=0&sid=c39df7046612a821a4642fa6ca6a3274
Referer: http://wehrbauten.de/thread.php?threadid=2040&threadview=0&hilight=&hilightuser=0&sid=c39df7046612a821a4642fa6ca6a3274