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 ('4d34e29380f14884c0c03853dcaacb42','0','3.145.178.157','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715037404','board.php?boardid=742&sid=1dada297442ea9ca2c05744dfb80e305','0','0','')
mysql error: Duplicate entry '4d34e29380f14884c0c03853dcaacb42' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 01:16
Script: /board.php?boardid=742&sid=1dada297442ea9ca2c05744dfb80e305
Referer: