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 ('d533a7d176b456343a452d34f8d4942a','0','18.222.115.120','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715209884','formmail.php?userid=127&sid=4b9d0063babbe6be9ec17578315afae1','0','0','')
mysql error: Duplicate entry 'd533a7d176b456343a452d34f8d4942a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 01:11
Script: /formmail.php?userid=127&sid=4b9d0063babbe6be9ec17578315afae1
Referer: