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 ('e820a547179a8adb1bd25c841967922f','0','18.191.33.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715716345','thread.php?goto=nextoldest&threadid=1404&sid=dd058308757942f3c177ca205bacc70d','0','0','')
mysql error: Duplicate entry 'e820a547179a8adb1bd25c841967922f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 21:52
Script: /thread.php?goto=nextoldest&threadid=1404&sid=dd058308757942f3c177ca205bacc70d
Referer: