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 ('02b4eff20d018ed551c27c7da51c8d03','0','3.145.43.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715778112','misc.php?action=imprint&sid=4aecf5b8ea524edfbd8c2b8178c61345','0','0','')
mysql error: Duplicate entry '02b4eff20d018ed551c27c7da51c8d03' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 15.05.2024 @ 15:01
Script: /misc.php?action=imprint&sid=4aecf5b8ea524edfbd8c2b8178c61345
Referer: