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 ('bcd9c1a96aad40e8a09b2e6604cfe7ac','0','18.116.118.198','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715251066','addreply.php?action=quote&postid=11190&sid=abeb52d6e4a7c6f1dbd52fe53470fcfe','0','0','')
mysql error: Duplicate entry 'bcd9c1a96aad40e8a09b2e6604cfe7ac' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 12:37
Script: /addreply.php?action=quote&postid=11190&sid=abeb52d6e4a7c6f1dbd52fe53470fcfe
Referer: http://wehrbauten.de/addreply.php?action=quote&postid=11190&sid=abeb52d6e4a7c6f1dbd52fe53470fcfe