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 ('4ee38c6109dcdc505062926b941629ee','0','3.138.122.4','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714949318','addreply.php?action=quote&postid=1967&sid=01f8e1704be806205a66088833add1a4','0','0','')
mysql error: Duplicate entry '4ee38c6109dcdc505062926b941629ee' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.36-39-log
php version: 5.6.40-65+0~20230409.73+debian10~1.gbp473a1b
Date: 05.05.2024 @ 22:48
Script: /addreply.php?action=quote&postid=1967&sid=01f8e1704be806205a66088833add1a4
Referer: