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 ('4d4033109e4724af63d180a766ad398e','0','3.19.234.150','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715599070','search.php?action=user&userid=28&sid=6946b8df39d0ff40c7fa1ddc8d6884dd','0','0','')
mysql error: Duplicate entry '4d4033109e4724af63d180a766ad398e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.6.40
Date: 13.05.2024 @ 13:17
Script: /search.php?action=user&userid=28&sid=6946b8df39d0ff40c7fa1ddc8d6884dd
Referer: