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 ('5b070af3924ed29fbbd5f0e9f8592f23','0','18.118.140.108','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714811582','board.php?boardid=115&sid=a645d24aa92583d28ed279a1b2d6e3f9','0','0','')
mysql error: Duplicate entry '5b070af3924ed29fbbd5f0e9f8592f23' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 10:33
Script: /board.php?boardid=115&sid=a645d24aa92583d28ed279a1b2d6e3f9
Referer: