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 ('129db3bcb9de21ed360b8c445da09230','0','18.218.196.182','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715163892','board.php?boardid=98&sid=9a2c09bb90626997af88c8b3944f5deb','0','0','')
mysql error: Duplicate entry '129db3bcb9de21ed360b8c445da09230' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 12:24
Script: /board.php?boardid=98&sid=9a2c09bb90626997af88c8b3944f5deb
Referer: http://wehrbauten.de/board.php?boardid=98&sid=9a2c09bb90626997af88c8b3944f5deb