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 ('b5820530ef347ff293fc80a2a30abaa3','0','3.15.229.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714603224','board.php?boardid=79&sid=0df203e10edf3391b07c0a15ccceb165','0','0','')
mysql error: Duplicate entry 'b5820530ef347ff293fc80a2a30abaa3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 00:40
Script: /board.php?boardid=79&sid=0df203e10edf3391b07c0a15ccceb165
Referer: http://wehrbauten.de/board.php?boardid=79&sid=0df203e10edf3391b07c0a15ccceb165