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 ('fc92350731313789e687e0e59e4c841c','0','3.12.161.77','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714754826','index.php?sid=b9f6770f035ebfd8d1573f76cfebc490','0','0','')
mysql error: Duplicate entry 'fc92350731313789e687e0e59e4c841c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 18:47
Script: /index.php?sid=b9f6770f035ebfd8d1573f76cfebc490
Referer: http://wehrbauten.de/index.php?sid=b9f6770f035ebfd8d1573f76cfebc490