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 ('a6beb168450ca68439c338abea17aaaa','0','3.15.229.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714960096','profile.php?userid=344&sid=d94116da80a0af60f0f6641fb80c04f1','0','0','')
mysql error: Duplicate entry 'a6beb168450ca68439c338abea17aaaa' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 03:48
Script: /profile.php?userid=344&sid=d94116da80a0af60f0f6641fb80c04f1
Referer: http://wehrbauten.de/profile.php?userid=344&sid=d94116da80a0af60f0f6641fb80c04f1