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 ('f0ee299e3a435e2eea4df8b1c9e667cb','0','3.137.217.163','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715895285','misc.php?action=imprint&sid=8034ef6ff24a1bbcabf2012e0478e362','0','0','')
mysql error: Duplicate entry 'f0ee299e3a435e2eea4df8b1c9e667cb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 23:34
Script: /misc.php?action=imprint&sid=8034ef6ff24a1bbcabf2012e0478e362
Referer: