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 ('77cb4d29c6aa4a164a7c1fc1825d940a','0','18.119.133.96','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714677430','jgs_portal.php?sid=afd8fcb22f723ed120dde9253f8bd170','0','0','')
mysql error: Duplicate entry '77cb4d29c6aa4a164a7c1fc1825d940a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 21:17
Script: /jgs_portal.php?sid=afd8fcb22f723ed120dde9253f8bd170
Referer: http://wehrbauten.de/jgs_portal.php?sid=afd8fcb22f723ed120dde9253f8bd170