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 ('10b5e5d0e5fae72c88e19a379c51a70b','0','13.59.136.170','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715156314','board.php?boardid=343&sid=9955004a8af5d53933bbc1ea0535655b','0','0','')
mysql error: Duplicate entry '10b5e5d0e5fae72c88e19a379c51a70b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 10:18
Script: /board.php?boardid=343&sid=9955004a8af5d53933bbc1ea0535655b
Referer: