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 ('fb652c1e15fc092c0fea9c2cc68e59a1','0','3.135.219.166','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714067105','misc.php?action=imprint&sid=33c962246e68d3e8689c5b3fc3820863','0','0','')
mysql error: Duplicate entry 'fb652c1e15fc092c0fea9c2cc68e59a1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 25.04.2024 @ 19:45
Script: /misc.php?action=imprint&sid=33c962246e68d3e8689c5b3fc3820863
Referer: