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 ('73422a5f88ced4d115f487acc028a291','0','18.189.193.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715334731','board.php?boardid=117&sid=c5491d2765b3edb0d53fd9a0d7d40e20','0','0','')
mysql error: Duplicate entry '73422a5f88ced4d115f487acc028a291' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 11:52
Script: /board.php?boardid=117&sid=c5491d2765b3edb0d53fd9a0d7d40e20
Referer: http://wehrbauten.de/board.php?boardid=117&sid=c5491d2765b3edb0d53fd9a0d7d40e20