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 ('2694d37386318959763cfd3c2e632133','0','3.133.126.39','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715815334','jgs_portal.php?sid=86b76381842e93a9ae972c5a804ebdf2','0','0','')
mysql error: Duplicate entry '2694d37386318959763cfd3c2e632133' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 01:22
Script: /jgs_portal.php?sid=86b76381842e93a9ae972c5a804ebdf2
Referer: http://wehrbauten.de/jgs_portal.php?sid=86b76381842e93a9ae972c5a804ebdf2