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 ('ebe313e1077608e72d5372ef525c0b97','0','3.20.221.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715825208','usercp.php?action=buddy&add=156&sid=4dc1e514d8c9e1b2c8934ecc279ac363','0','0','')
mysql error: Duplicate entry 'ebe313e1077608e72d5372ef525c0b97' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 04:06
Script: /usercp.php?action=buddy&add=156&sid=4dc1e514d8c9e1b2c8934ecc279ac363
Referer: http://wehrbauten.de/usercp.php?action=buddy&add=156&sid=4dc1e514d8c9e1b2c8934ecc279ac363