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 ('106ac45c1e6f88037a98eab951655158','0','3.21.76.0','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714648167','board.php?boardid=332&sid=10197afa0fa335e6f5c5cb991c4c04af','0','0','')
mysql error: Duplicate entry '106ac45c1e6f88037a98eab951655158' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 13:09
Script: /board.php?boardid=332&sid=10197afa0fa335e6f5c5cb991c4c04af
Referer: