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 ('7bad58611900d022640bb0c7b600b42c','0','18.225.11.98','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715251435','board.php?boardid=77&sid=c62fbe8be313a1b52c934ceb111b3515','0','0','')
mysql error: Duplicate entry '7bad58611900d022640bb0c7b600b42c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 12:43
Script: /board.php?boardid=77&sid=c62fbe8be313a1b52c934ceb111b3515
Referer: http://wehrbauten.de/board.php?boardid=77&sid=c62fbe8be313a1b52c934ceb111b3515