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 ('79c1272cc0c81d79b0dc3d4ff59c44fa','0','3.146.105.137','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715546341','usercp.php?action=addsubscription&boardid=66&sid=f53bc13bc51991414d6e4fb0d8b810ae','0','0','')
mysql error: Duplicate entry '79c1272cc0c81d79b0dc3d4ff59c44fa' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 22:39
Script: /usercp.php?action=addsubscription&boardid=66&sid=f53bc13bc51991414d6e4fb0d8b810ae
Referer: http://wehrbauten.de/usercp.php?action=addsubscription&boardid=66&sid=f53bc13bc51991414d6e4fb0d8b810ae