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 ('f9ed9afefeeca9b8bd9c95bd4b8d825c','0','18.191.84.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714963742','formmail.php?userid=94&sid=88acde33c68511aa5a4f2ea6fabbf912','0','0','')
mysql error: Duplicate entry 'f9ed9afefeeca9b8bd9c95bd4b8d825c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 04:49
Script: /formmail.php?userid=94&sid=88acde33c68511aa5a4f2ea6fabbf912
Referer: http://wehrbauten.de/formmail.php?userid=94&sid=88acde33c68511aa5a4f2ea6fabbf912