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 ('96a1d7aac3287ee1291e2a37d50c0fe8','0','3.145.85.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715660991','misc.php?action=imprint&sid=3402595782bbd7c2546dfd06baefda08','0','0','')
mysql error: Duplicate entry '96a1d7aac3287ee1291e2a37d50c0fe8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 06:29
Script: /misc.php?action=imprint&sid=3402595782bbd7c2546dfd06baefda08
Referer: http://wehrbauten.de/misc.php?action=imprint&sid=3402595782bbd7c2546dfd06baefda08