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 ('8e0abb43ef20b2c9e391e78ed4ec1dc5','0','3.138.114.132','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715421709','board.php?boardid=755&sid=2d4d345e5a93a908e11a5b74d6886919','0','0','')
mysql error: Duplicate entry '8e0abb43ef20b2c9e391e78ed4ec1dc5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 12:01
Script: /board.php?boardid=755&sid=2d4d345e5a93a908e11a5b74d6886919
Referer: