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 ('a258e3c932f2defdedbeffe9a53d4011','0','3.16.255.189','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715511383','board.php?boardid=273&sid=192b2db71a9e6daee0f25d9708de5b66','0','0','')
mysql error: Duplicate entry 'a258e3c932f2defdedbeffe9a53d4011' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 12:56
Script: /board.php?boardid=273&sid=192b2db71a9e6daee0f25d9708de5b66
Referer: http://wehrbauten.de/board.php?boardid=273&sid=192b2db71a9e6daee0f25d9708de5b66