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 ('950936cb3da0c6dbf432dad95402cb56','0','3.140.255.150','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714839388','thread.php?goto=lastpost&threadid=639&sid=fa48541e257707730da90ea8dbae001b','0','0','')
mysql error: Duplicate entry '950936cb3da0c6dbf432dad95402cb56' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 18:16
Script: /thread.php?goto=lastpost&threadid=639&sid=fa48541e257707730da90ea8dbae001b
Referer: