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 ('194eb3d22073174c0a99f25d22457195','0','3.137.187.186','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715728887','register.php?sid=d5ad49a76993aadd0fec255353fe6bde','0','0','')
mysql error: Duplicate entry '194eb3d22073174c0a99f25d22457195' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 01:21
Script: /register.php?sid=d5ad49a76993aadd0fec255353fe6bde
Referer: http://wehrbauten.de/register.php?sid=d5ad49a76993aadd0fec255353fe6bde