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 ('8b7fd9566360f2d3aab435415a156f81','0','18.224.149.242','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714978813','login.php?sid=63bbb728e4b11a30358632ef121433a4','0','0','')
mysql error: Duplicate entry '8b7fd9566360f2d3aab435415a156f81' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 09:00
Script: /login.php?sid=63bbb728e4b11a30358632ef121433a4
Referer: http://wehrbauten.de/login.php?sid=63bbb728e4b11a30358632ef121433a4