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 ('2a685802a277f21e3ec8ad8e80d42257','0','3.142.173.40','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715520138','profile.php?userid=12193&sid=0a5cb25429641d8f86f7d61204112d80','0','0','')
mysql error: Duplicate entry '2a685802a277f21e3ec8ad8e80d42257' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.5.62-0+deb8u1
php version: 5.6.40-0+deb8u12
Date: 12.05.2024 @ 15:22
Script: /board/profile.php?userid=12193&sid=0a5cb25429641d8f86f7d61204112d80
Referer: