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 ('61ee16a1ff4c70bdd0f4a2cf23c81271','0','127.0.0.1','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714279958','search.php?sid=aa4e46bcaf227378feae3eac8dfa4f92','0','0','')
mysql error: Duplicate entry '61ee16a1ff4c70bdd0f4a2cf23c81271' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-0ubuntu0.18.04.1
php version: 7.2.34-36+ubuntu18.04.1+deb.sury.org+1
Date: 28.04.2024 @ 06:52
Script: /forum/search.php?sid=aa4e46bcaf227378feae3eac8dfa4f92
Referer: