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 ('ab2e5a3ac9bea03cc97fc7f793a1ce62','0','3.141.202.54','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715143064','profile.php?userid=608&sid=ed6e80c1d0da8774193ef8391bcda571','0','0','')
mysql error: Duplicate entry 'ab2e5a3ac9bea03cc97fc7f793a1ce62' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 06:37
Script: /profile.php?userid=608&sid=ed6e80c1d0da8774193ef8391bcda571
Referer: