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 ('df8130abb87d3b60684e9b161e731126','0','18.221.156.50','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715651598','index.php?sid=0aab1370c49022cf74ca7519475d48fa','0','0','')
mysql error: Duplicate entry 'df8130abb87d3b60684e9b161e731126' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 03:53
Script: /index.php?sid=0aab1370c49022cf74ca7519475d48fa
Referer: http://wehrbauten.de/index.php?sid=0aab1370c49022cf74ca7519475d48fa