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 ('2546677471893da087b2304d779c6677','0','3.21.162.87','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714698313','report.php?postid=9539&sid=08ed9451b774f904e71a554371d06a5a','0','0','')
mysql error: Duplicate entry '2546677471893da087b2304d779c6677' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 03:05
Script: /report.php?postid=9539&sid=08ed9451b774f904e71a554371d06a5a
Referer: http://wehrbauten.de/report.php?postid=9539&sid=08ed9451b774f904e71a554371d06a5a