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 ('7525b8dda1534fc319b23abc53bd1326','0','18.116.67.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715764224','usercp.php?action=buddy&add=10577&sid=457b57f869b07a05724f2758775eb170','0','0','')
mysql error: Duplicate entry '7525b8dda1534fc319b23abc53bd1326' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.5.62-0+deb8u1
php version: 5.6.40-0+deb8u12
Date: 15.05.2024 @ 11:10
Script: /board/usercp.php?action=buddy&add=10577&sid=457b57f869b07a05724f2758775eb170
Referer: