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 ('5d4ce69351e32d3e0d35b1be17417f64','0','3.141.98.120','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715516046','calendar.php?sid=8f3b24ebd72399b3e6ecdf26ff0d8bff','0','0','')
mysql error: Duplicate entry '5d4ce69351e32d3e0d35b1be17417f64' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 14:14
Script: /calendar.php?sid=8f3b24ebd72399b3e6ecdf26ff0d8bff
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