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 ('3546651b0231670be2e174ec05930afd','0','3.143.9.223','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1717243775','memberslist.php?sid=b669d1e4fefd045d9b32a42fae28a85c','0','0','')
mysql error: Duplicate entry '3546651b0231670be2e174ec05930afd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 01.06.2024 @ 14:09
Script: /memberslist.php?sid=b669d1e4fefd045d9b32a42fae28a85c
Referer: