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 ('6754738e32a56a41aae74514ec850d89','0','3.145.119.199','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715094978','thread.php?goto=nextoldest&threadid=1347&sid=d9e9f3bab933157d6d77fb5e1daccd07','0','0','')
mysql error: Duplicate entry '6754738e32a56a41aae74514ec850d89' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 17:16
Script: /thread.php?goto=nextoldest&threadid=1347&sid=d9e9f3bab933157d6d77fb5e1daccd07
Referer: