SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('558c32f7569aa320b8f3d755cb4ad46b','0','18.223.0.53','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713873898','usercp.php?action=addsubscription&boardid=57&sid=08c13c1662c76bfaeda17ce52dd96712','0','0','')
mysql error: Duplicate entry '558c32f7569aa320b8f3d755cb4ad46b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 23.04.2024 @ 14:04
Script: /usercp.php?action=addsubscription&boardid=57&sid=08c13c1662c76bfaeda17ce52dd96712
Referer: http://your-wbb.de/usercp.php?action=addsubscription&boardid=57&sid=08c13c1662c76bfaeda17ce52dd96712