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 ('d34e4465448c9a976d99473ea871deba','0','3.128.197.164','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715485359','search.php?sid=7d3ce47fdcabeea80914355736b2b253','0','0','')
mysql error: Duplicate entry 'd34e4465448c9a976d99473ea871deba' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 05:42
Script: /search.php?sid=7d3ce47fdcabeea80914355736b2b253
Referer: http://wehrbauten.de/search.php?sid=7d3ce47fdcabeea80914355736b2b253