SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('74dd412e530ce7df43b73578a74c46a2','0','216.73.216.185','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750460877','addreply.php?postid=18787','0','0','')
mysql error: Duplicate entry '74dd412e530ce7df43b73578a74c46a2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.06.2025 @ 01:07
Script: /addreply.php?postid=18787
Referer: