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 ('d1f9a40275d82ab764f95d6862bc763a','0','3.145.111.125','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715005052','profile.php?userid=612&sid=a7820a76677b8c8c253ee2baa7b30a13','0','0','')
mysql error: Duplicate entry 'd1f9a40275d82ab764f95d6862bc763a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 16:17
Script: /profile.php?userid=612&sid=a7820a76677b8c8c253ee2baa7b30a13
Referer: http://wehrbauten.de/profile.php?userid=612&sid=a7820a76677b8c8c253ee2baa7b30a13