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 ('7a34ca28b1fcf5330bd8505b45a61d45','0','3.128.199.175','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716114725','search.php?action=user&userid=8014&sid=5f33cb18cfc418e4abadace72cc24f55','0','0','')
mysql error: Duplicate entry '7a34ca28b1fcf5330bd8505b45a61d45' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 19.05.2024 @ 12:32
Script: /search.php?action=user&userid=8014&sid=5f33cb18cfc418e4abadace72cc24f55
Referer: