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 ('5b7d0e0d122d0b6e95234b45af29e0cd','0','18.190.219.49','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715569787','thread.php?goto=lastpost&threadid=2030&sid=39196f281ff40554b804a48f3c5e58ab','0','0','')
mysql error: Duplicate entry '5b7d0e0d122d0b6e95234b45af29e0cd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 05:09
Script: /thread.php?goto=lastpost&threadid=2030&sid=39196f281ff40554b804a48f3c5e58ab
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2030&sid=39196f281ff40554b804a48f3c5e58ab