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 ('b1b0f217c7d56b177c77adf12ab9ceef','0','18.117.196.184','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715072125','jgs_galerie.php?sid=74ff204affbec2529d593632d93127fe','0','0','')
mysql error: Duplicate entry 'b1b0f217c7d56b177c77adf12ab9ceef' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 10:55
Script: /jgs_galerie.php?sid=74ff204affbec2529d593632d93127fe
Referer: http://wehrbauten.de/jgs_galerie.php?sid=74ff204affbec2529d593632d93127fe