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 ('fed45fca6c2cb399d9a55931bc09b0db','0','18.227.48.131','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715385229','index.php?sid=afe78f5ab44076ffbe5a0e506d4b8134','0','0','')
mysql error: Duplicate entry 'fed45fca6c2cb399d9a55931bc09b0db' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 01:53
Script: /index.php?sid=afe78f5ab44076ffbe5a0e506d4b8134
Referer: