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 ('b9103ce5c202b301b3c7a9a6c8c058b4','0','3.145.101.192','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716256382','profile.php?userid=8393&sid=5c40d1314dd3d42fef084823038d8bd3','0','0','')
mysql error: Duplicate entry 'b9103ce5c202b301b3c7a9a6c8c058b4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 21.05.2024 @ 03:53
Script: /profile.php?userid=8393&sid=5c40d1314dd3d42fef084823038d8bd3
Referer: