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 ('18167e923ab52e06f42025ce79e5a15f','0','3.149.243.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715205499','memberslist.php?sid=b61e0a6447c5cd1502e76bec4528a4a7','0','0','')
mysql error: Duplicate entry '18167e923ab52e06f42025ce79e5a15f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 23:58
Script: /memberslist.php?sid=b61e0a6447c5cd1502e76bec4528a4a7
Referer: http://wehrbauten.de/memberslist.php?sid=b61e0a6447c5cd1502e76bec4528a4a7