SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6.pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('0577bb1e29c718cd9a1b00b94b65c891','0','18.188.241.82','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714972604','memberslist.php?letter=&sid=365dd8c9eb8806cb41ccc433e640cb2e&sortby=email&order=ASC','0','0','')
mysql error: Duplicate entry '0577bb1e29c718cd9a1b00b94b65c891' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 06.05.2024 @ 07:16
Script: /wbb2/memberslist.php?letter=&sid=365dd8c9eb8806cb41ccc433e640cb2e&sortby=email&order=ASC
Referer: