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 ('f586e3c1c72618c243ea1540e3586f1a','0','3.141.199.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715524042','calendar.php?sid=ed3b2f8ae7bd7aac6caf9ca35c82502c','0','0','')
mysql error: Duplicate entry 'f586e3c1c72618c243ea1540e3586f1a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 16:27
Script: /calendar.php?sid=ed3b2f8ae7bd7aac6caf9ca35c82502c
Referer: