SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('7e9748938794e50f20a20f8bb2165508','0','18.226.34.105','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716257535','profile.php?userid=9501&sid=ffe90c6190a182b98c20c5e3039339c3','0','0','')
mysql error: Duplicate entry '7e9748938794e50f20a20f8bb2165508' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 20.05.2024 @ 22:12
Script: /wbb2/profile.php?userid=9501&sid=ffe90c6190a182b98c20c5e3039339c3
Referer: