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 ('03eacd79787b42f74ced4753b4e46889','0','3.147.126.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716320644','formmail.php?userid=116&sid=74b7b76aebfecb75258c789e409d5699','0','0','')
mysql error: Duplicate entry '03eacd79787b42f74ced4753b4e46889' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 21.05.2024 @ 21:44
Script: /formmail.php?userid=116&sid=74b7b76aebfecb75258c789e409d5699
Referer: