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 ('55a2a7ee3556a660755dbf3f729373e0','0','18.191.46.36','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715360832','addreply.php?action=quote&postid=11965&sid=db51673ab7eeb2e20bf83ce448a82fa9','0','0','')
mysql error: Duplicate entry '55a2a7ee3556a660755dbf3f729373e0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 19:07
Script: /addreply.php?action=quote&postid=11965&sid=db51673ab7eeb2e20bf83ce448a82fa9
Referer: