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 ('ceadaa3061f29ce9e8f1f7608fcb5aee','0','18.190.217.134','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715188275','profile.php?userid=308&sid=3ba75597e81fba1fb4446dc135bc4aea','0','0','')
mysql error: Duplicate entry 'ceadaa3061f29ce9e8f1f7608fcb5aee' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 19:11
Script: /profile.php?userid=308&sid=3ba75597e81fba1fb4446dc135bc4aea
Referer: