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 ('6d98933b020770f0e5841b666f134d89','0','13.58.216.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715726677','index.php?sid=9ed888f1aac9cc060c5206a8fa9ad951','0','0','')
mysql error: Duplicate entry '6d98933b020770f0e5841b666f134d89' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 00:44
Script: /index.php?sid=9ed888f1aac9cc060c5206a8fa9ad951
Referer: http://wehrbauten.de/index.php?sid=9ed888f1aac9cc060c5206a8fa9ad951