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 ('e448d019339f5af6f6f28728de385593','0','18.221.85.142','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715594770','board.php?boardid=67&sid=916e09755889566617214be6f325619e','0','0','')
mysql error: Duplicate entry 'e448d019339f5af6f6f28728de385593' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 12:06
Script: /board.php?boardid=67&sid=916e09755889566617214be6f325619e
Referer: http://wehrbauten.de/board.php?boardid=67&sid=916e09755889566617214be6f325619e