SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('3ab9d66ce0586e886ee50f98621895c7','0','13.59.136.170','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715062781','thread.php?threadid=2484&threadview=0&hilight=&hilightuser=0','0','0','')
mysql error: Duplicate entry '3ab9d66ce0586e886ee50f98621895c7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 07.05.2024 @ 08:19
Script: /thread.php?threadid=2484&threadview=0&hilight=&hilightuser=0
Referer: