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 ('717af04d18f6fccdfe1fc7b9308fc578','0','3.21.34.0','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715286948','thread.php?goto=lastpost&threadid=1956&sid=f737d57d89bebacb29698fcf23f805e3','0','0','')
mysql error: Duplicate entry '717af04d18f6fccdfe1fc7b9308fc578' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 22:35
Script: /thread.php?goto=lastpost&threadid=1956&sid=f737d57d89bebacb29698fcf23f805e3
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=1956&sid=f737d57d89bebacb29698fcf23f805e3