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 ('5768e2237c6d214197462db2508fd86f','0','3.145.105.108','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714805194','usercp.php?action=addsubscription&boardid=243&sid=610b2d34b45d16cad369f2d0045a369f','0','0','')
mysql error: Duplicate entry '5768e2237c6d214197462db2508fd86f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 08:46
Script: /usercp.php?action=addsubscription&boardid=243&sid=610b2d34b45d16cad369f2d0045a369f
Referer: http://wehrbauten.de/usercp.php?action=addsubscription&boardid=243&sid=610b2d34b45d16cad369f2d0045a369f