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 ('ae7f70a6e25ed0213fd157f61f6357d0','0','3.22.51.241','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715832294','login.php?sid=1e896972b7fb4958ce59222ec356bd12','0','0','')
mysql error: Duplicate entry 'ae7f70a6e25ed0213fd157f61f6357d0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 06:04
Script: /login.php?sid=1e896972b7fb4958ce59222ec356bd12
Referer: