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 ('08b77fec47b39ab23e7db6c6a3c62baf','0','3.142.171.180','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715412810','index.php?sid=d23bbb4784d977a103a50bf541c83869','0','0','')
mysql error: Duplicate entry '08b77fec47b39ab23e7db6c6a3c62baf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 09:33
Script: /index.php?sid=d23bbb4784d977a103a50bf541c83869
Referer: http://wehrbauten.de/index.php?sid=d23bbb4784d977a103a50bf541c83869