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 ('e303754d78317fa246977002bb445e75','0','3.19.142.126','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715752762','board.php?boardid=218&sid=74cde36c25c0ad5854ff0874c9fde0c7','0','0','')
mysql error: Duplicate entry 'e303754d78317fa246977002bb445e75' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 07:59
Script: /board.php?boardid=218&sid=74cde36c25c0ad5854ff0874c9fde0c7
Referer: