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 ('b295510c11d5dfc50db8a0eae885a6d9','0','18.221.98.71','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715086681','board.php?boardid=134&sid=7eeea8e7340cd0c990b98063183c1352','0','0','')
mysql error: Duplicate entry 'b295510c11d5dfc50db8a0eae885a6d9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 14:58
Script: /board.php?boardid=134&sid=7eeea8e7340cd0c990b98063183c1352
Referer: