SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.5): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('efb7590ae9bb08759482c98684911e2f','0','3.145.59.165','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715855896','profile.php?userid=64519&sid=889c7eeb4249227b91d7ec440549b3f5','0','0','')
mysql error: Duplicate entry 'efb7590ae9bb08759482c98684911e2f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42
php version: 5.2.17
Date: 16.05.2024 @ 12:38
Script: /wbb2/profile.php?userid=64519&sid=889c7eeb4249227b91d7ec440549b3f5
Referer: