SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6.pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('e4ff04cbefddce3365f657d64e8f2c1c','0','3.17.174.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714662618','formmail.php?userid=34&sid=9330e249c53a26b742c4ee2480673d7f','0','0','')
mysql error: Duplicate entry 'e4ff04cbefddce3365f657d64e8f2c1c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 02.05.2024 @ 17:10
Script: /wbb2/formmail.php?userid=34&sid=9330e249c53a26b742c4ee2480673d7f
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