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 ('1737ca8e98bc76cd65676463d3c9e5b5','0','3.133.92.6','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716131051','search.php?action=user&userid=13095&sid=f1427d098b955f26757446bceec2dd66','0','0','')
mysql error: Duplicate entry '1737ca8e98bc76cd65676463d3c9e5b5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 19.05.2024 @ 17:04
Script: /search.php?action=user&userid=13095&sid=f1427d098b955f26757446bceec2dd66
Referer: