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 ('b54b052b76b71234b40f0651b5e6ea92','0','3.145.85.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715470995','board.php?boardid=104&sid=e899b026dd0cf8000a47b8c893af13fa','0','0','')
mysql error: Duplicate entry 'b54b052b76b71234b40f0651b5e6ea92' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 01:43
Script: /board.php?boardid=104&sid=e899b026dd0cf8000a47b8c893af13fa
Referer: http://wehrbauten.de/board.php?boardid=104&sid=e899b026dd0cf8000a47b8c893af13fa