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 ('0e9f407f0e0771d223a637033912d4c5','0','18.116.21.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716213362','search.php?action=user&userid=1969&sid=4298cbca6df02b6233c89e8fd35e1df7','0','0','')
mysql error: Duplicate entry '0e9f407f0e0771d223a637033912d4c5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 15:56
Script: /search.php?action=user&userid=1969&sid=4298cbca6df02b6233c89e8fd35e1df7
Referer: