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 ('06223f159669465b391d929f87ea84df','0','3.17.74.55','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715624015','thread.php?goto=lastpost&threadid=2434&sid=eaa335267119ebfabadaaa30914e71b8','0','0','')
mysql error: Duplicate entry '06223f159669465b391d929f87ea84df' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 20:13
Script: /thread.php?goto=lastpost&threadid=2434&sid=eaa335267119ebfabadaaa30914e71b8
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2434&sid=eaa335267119ebfabadaaa30914e71b8