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 ('3130615f18e5aa5351aafe4932ff1846','0','18.216.230.107','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715354235','board.php?boardid=123&page=1&daysprune=1000&sortfield=starter&sortorder=ASC&sid=403cc08467d01e8ddd52ad715ea5724e','0','0','')
mysql error: Duplicate entry '3130615f18e5aa5351aafe4932ff1846' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 17:17
Script: /board.php?boardid=123&page=1&daysprune=1000&sortfield=starter&sortorder=ASC&sid=403cc08467d01e8ddd52ad715ea5724e
Referer: http://wehrbauten.de/board.php?boardid=123&page=1&daysprune=1000&sortfield=starter&sortorder=ASC&sid=403cc08467d01e8ddd52ad715ea5724e