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 ('5fb086aa6f3fcce55b806a127ff9373a','0','3.133.159.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715476529','board.php?boardid=156&sid=b480441970d8b77e6d04fbd4b682f0a9','0','0','')
mysql error: Duplicate entry '5fb086aa6f3fcce55b806a127ff9373a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 03:15
Script: /board.php?boardid=156&sid=b480441970d8b77e6d04fbd4b682f0a9
Referer: