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 ('ca1cdccf2e66ef39f4c5ac322301c505','0','3.145.38.117','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714789117','board.php?boardid=632&sid=65b850ec8f85b762c7218cd53408e99d','0','0','')
mysql error: Duplicate entry 'ca1cdccf2e66ef39f4c5ac322301c505' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 04:18
Script: /board.php?boardid=632&sid=65b850ec8f85b762c7218cd53408e99d
Referer: