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 ('b657ea7782aff17faec2cedb3d29d886','0','3.128.190.102','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714816642','jgs_portal_box.php?id=38&sid=c91cb5e65ea69dc18e61208b837e2609','0','0','')
mysql error: Duplicate entry 'b657ea7782aff17faec2cedb3d29d886' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41-3ubuntu12.3
php version: 4.4.9
Date: 04.05.2024 @ 11:57
Script: /wbb2/jgs_portal_box.php?id=38&sid=c91cb5e65ea69dc18e61208b837e2609
Referer: