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 ('faac6fba6fe60165cea080b1bc843e08','0','3.135.183.221','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715810148','search.php?sid=9d4e4a4c53eb342fc956b478c57fc345','0','0','')
mysql error: Duplicate entry 'faac6fba6fe60165cea080b1bc843e08' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1
php version: 5.6.40
Date: 15.05.2024 @ 23:55
Script: /search.php?sid=9d4e4a4c53eb342fc956b478c57fc345
Referer: