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 ('5f6118cb84d8b447b299c5cd6b4f80a0','0','3.12.71.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714873239','profile.php?userid=18386&sid=8da4a656ffbc523cb52a3ff589006650','0','0','')
mysql error: Duplicate entry '5f6118cb84d8b447b299c5cd6b4f80a0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41-3ubuntu12.3
php version: 4.4.9
Date: 05.05.2024 @ 03:40
Script: /wbb2/profile.php?userid=18386&sid=8da4a656ffbc523cb52a3ff589006650
Referer: