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 ('0d0780a003b1d0bdcf45fa28e2aeb1e8','0','18.188.241.82','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714223916','board.php?boardid=227&sid=c00f7e2c02892168106c87eeea0047e1','0','0','')
mysql error: Duplicate entry '0d0780a003b1d0bdcf45fa28e2aeb1e8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 27.04.2024 @ 15:18
Script: /board.php?boardid=227&sid=c00f7e2c02892168106c87eeea0047e1
Referer: http://wehrbauten.de/board.php?boardid=227&sid=c00f7e2c02892168106c87eeea0047e1