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 ('e4dea0053d028890426d95ea0ca57593','0','18.188.218.184','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714755162','board.php?boardid=484&sid=b3c3196ec5789a126fe5c3f9072caee1','0','0','')
mysql error: Duplicate entry 'e4dea0053d028890426d95ea0ca57593' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 18:52
Script: /board.php?boardid=484&sid=b3c3196ec5789a126fe5c3f9072caee1
Referer: http://wehrbauten.de/board.php?boardid=484&sid=b3c3196ec5789a126fe5c3f9072caee1