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 ('c2c00dafcbb46211cb4a7b63ea2139c1','0','18.119.126.80','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714036457','memberslist.php?sid=5e4fe2287a75bdb899f980bac52617dc','0','0','')
mysql error: Duplicate entry 'c2c00dafcbb46211cb4a7b63ea2139c1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 11:14
Script: /memberslist.php?sid=5e4fe2287a75bdb899f980bac52617dc
Referer: http://wehrbauten.de/memberslist.php?sid=5e4fe2287a75bdb899f980bac52617dc