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 ('5469e6b38b96a9f9f8df12cc32176f4a','0','3.22.61.73','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715460251','board.php?boardid=248&sid=b112c1853eb1e3e348d23e255336f23a','0','0','')
mysql error: Duplicate entry '5469e6b38b96a9f9f8df12cc32176f4a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 22:44
Script: /board.php?boardid=248&sid=b112c1853eb1e3e348d23e255336f23a
Referer: http://wehrbauten.de/board.php?boardid=248&sid=b112c1853eb1e3e348d23e255336f23a