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 ('06ef39d03df1dc3eae95ab20ada2345b','0','3.23.127.197','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715353098','index.php?sid=2311a4d052c953e916350cac780ea73e','0','0','')
mysql error: Duplicate entry '06ef39d03df1dc3eae95ab20ada2345b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 16:58
Script: /index.php?sid=2311a4d052c953e916350cac780ea73e
Referer: http://wehrbauten.de/index.php?sid=2311a4d052c953e916350cac780ea73e