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 ('df2630eaf7845f22b60d57225108de16','0','18.117.182.179','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715122594','board.php?boardid=225&sid=d9f90ba556e9a2f5a624e5025e9082f6','0','0','')
mysql error: Duplicate entry 'df2630eaf7845f22b60d57225108de16' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 00:56
Script: /board.php?boardid=225&sid=d9f90ba556e9a2f5a624e5025e9082f6
Referer: