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 ('4cbcf0be6eb8d901de65f46657354614','0','18.217.110.0','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715662527','thread.php?threadid=2451&goto=lastpost&sid=0adc3e850aaac024558ae163dec03407','0','0','')
mysql error: Duplicate entry '4cbcf0be6eb8d901de65f46657354614' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 06:55
Script: /thread.php?threadid=2451&goto=lastpost&sid=0adc3e850aaac024558ae163dec03407
Referer: http://wehrbauten.de/thread.php?threadid=2451&goto=lastpost&sid=0adc3e850aaac024558ae163dec03407