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 ('f2c425782ce045997957ba11d1106558','0','18.220.160.216','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715215083','jgs_portal.php?sid=0b1e6258cf4ac3204861573936158706','0','0','')
mysql error: Duplicate entry 'f2c425782ce045997957ba11d1106558' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 02:38
Script: /jgs_portal.php?sid=0b1e6258cf4ac3204861573936158706
Referer: http://wehrbauten.de/jgs_portal.php?sid=0b1e6258cf4ac3204861573936158706