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 ('4e7e804dcc3a533e41852ce61377c73e','0','3.149.236.96','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716285059','addreply.php?postid=83666&sid=d8b343a17e8d734e70505c7baa0b0f78','0','0','')
mysql error: Duplicate entry '4e7e804dcc3a533e41852ce61377c73e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 21.05.2024 @ 11:50
Script: /addreply.php?postid=83666&sid=d8b343a17e8d734e70505c7baa0b0f78
Referer: