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 ('e27464298d99b0b01bce8e9a2f6f88f3','0','3.133.147.87','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714815240','board.php?boardid=130&sid=415dca5d332b2f5ae3bbf9f745588adc','0','0','')
mysql error: Duplicate entry 'e27464298d99b0b01bce8e9a2f6f88f3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 11:34
Script: /board.php?boardid=130&sid=415dca5d332b2f5ae3bbf9f745588adc
Referer: http://wehrbauten.de/board.php?boardid=130&sid=415dca5d332b2f5ae3bbf9f745588adc