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 ('b69a22c811192d7f7b68ccef7a27da46','0','18.118.144.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715420053','board.php?boardid=249&sid=32050f8e0fc17284fe694bae0fd2563f','0','0','')
mysql error: Duplicate entry 'b69a22c811192d7f7b68ccef7a27da46' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 11:34
Script: /board.php?boardid=249&sid=32050f8e0fc17284fe694bae0fd2563f
Referer: http://wehrbauten.de/board.php?boardid=249&sid=32050f8e0fc17284fe694bae0fd2563f