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 ('b8e425eb1235d97f3e179d861ada9c21','0','3.149.254.35','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714877035','board.php?boardid=27&sid=7f320a3042ad405847e78aae405a56e4','0','0','')
mysql error: Duplicate entry 'b8e425eb1235d97f3e179d861ada9c21' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 04:43
Script: /board.php?boardid=27&sid=7f320a3042ad405847e78aae405a56e4
Referer: