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 ('c7fb4c34e76698fb287e44aedc1ee012','0','3.14.132.214','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714573096','board.php?boardid=776&sid=01114c2115efac14c3c868ae8d5ac7cb','0','0','')
mysql error: Duplicate entry 'c7fb4c34e76698fb287e44aedc1ee012' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 01.05.2024 @ 16:18
Script: /board.php?boardid=776&sid=01114c2115efac14c3c868ae8d5ac7cb
Referer: http://wehrbauten.de/board.php?boardid=776&sid=01114c2115efac14c3c868ae8d5ac7cb