SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('99a15fc57243b5dc78d57b6fc6025b7a','0','18.221.41.214','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713912243','report.php?postid=248670&sid=f92accca533b12b9de69c1d27e611214','0','0','')
mysql error: Duplicate entry '99a15fc57243b5dc78d57b6fc6025b7a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 24.04.2024 @ 00:44
Script: /report.php?postid=248670&sid=f92accca533b12b9de69c1d27e611214
Referer: http://your-wbb.de/report.php?postid=248670&sid=f92accca533b12b9de69c1d27e611214