SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('c2b9b1aff20eba0bd80f898fcc4a197e','0','216.73.216.241','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750666183','editpost.php?postid=6872','0','0','')
mysql error: Duplicate entry 'c2b9b1aff20eba0bd80f898fcc4a197e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 23.06.2025 @ 10:09
Script: /editpost.php?postid=6872
Referer: