SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6.pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('2dba3e1c12825d02b5cdd106804e8cd0','0','3.16.29.209','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715267009','report.php?postid=2026&sid=aced3d638192e7f77daf98c6eab0c20e','0','0','')
mysql error: Duplicate entry '2dba3e1c12825d02b5cdd106804e8cd0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 09.05.2024 @ 17:03
Script: /wbb2/report.php?postid=2026&sid=aced3d638192e7f77daf98c6eab0c20e
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