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 ('5d493b8536506872e253951dbeb6f0e1','0','18.222.179.186','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714816133','index.php?sid=3af17320a4a7ba66137f6b1d6194d8b4','0','0','')
mysql error: Duplicate entry '5d493b8536506872e253951dbeb6f0e1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 11:48
Script: /index.php?sid=3af17320a4a7ba66137f6b1d6194d8b4
Referer: http://wehrbauten.de/index.php?sid=3af17320a4a7ba66137f6b1d6194d8b4