SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('fc58d277fcb67a29261ae2815c3c72c6','0','216.73.216.96','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748909487','formmail.php?threadid=166','0','0','')
mysql error: Duplicate entry 'fc58d277fcb67a29261ae2815c3c72c6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 03.06.2025 @ 02:11
Script: /formmail.php?threadid=166
Referer: