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 ('6b2c97bf629212e3a7c976319cb30b0f','0','3.149.26.169','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715858291','addreply.php?postid=10460','0','0','')
mysql error: Duplicate entry '6b2c97bf629212e3a7c976319cb30b0f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.05.2024 @ 13:18
Script: /addreply.php?postid=10460
Referer: