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 ('b0e3b49464211db8d1f753c0e3299eb4','0','3.134.95.222','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715790419','formmail.php?userid=3219&sid=e81f667dc934bf4e42476804ebe587af','0','0','')
mysql error: Duplicate entry 'b0e3b49464211db8d1f753c0e3299eb4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 15.05.2024 @ 18:26
Script: /formmail.php?userid=3219&sid=e81f667dc934bf4e42476804ebe587af
Referer: