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 ('26fd9cb52087237e6129bc927aeea116','0','3.141.199.243','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715029064','profile.php?userid=1&sid=dcd04f023f9c90c536103f28ae8846db','0','0','')
mysql error: Duplicate entry '26fd9cb52087237e6129bc927aeea116' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 22:57
Script: /profile.php?userid=1&sid=dcd04f023f9c90c536103f28ae8846db
Referer: http://wehrbauten.de/profile.php?userid=1&sid=dcd04f023f9c90c536103f28ae8846db