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 ('5a4ff3908970516854fefccd12197285','0','18.224.37.68','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715003202','misc.php?action=imprint&sid=6ecb58c81ecb5329c36c55c456dd585e','0','0','')
mysql error: Duplicate entry '5a4ff3908970516854fefccd12197285' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 15:46
Script: /misc.php?action=imprint&sid=6ecb58c81ecb5329c36c55c456dd585e
Referer: http://wehrbauten.de/misc.php?action=imprint&sid=6ecb58c81ecb5329c36c55c456dd585e