SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.5): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('6a1329daef1266888d845abea568e19a','0','52.14.221.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715562832','profile.php?userid=52675&sid=2e665c1b5b64d686500cb067da49dee8','0','0','')
mysql error: Duplicate entry '6a1329daef1266888d845abea568e19a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42
php version: 5.2.17
Date: 13.05.2024 @ 03:13
Script: /wbb2/profile.php?userid=52675&sid=2e665c1b5b64d686500cb067da49dee8
Referer: