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 ('a7afee6f9baaa8c21054f051cf2731a0','0','3.145.184.117','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715882188','jgs_galerie.php?sid=54f5520a28de3e692ad9680176dc730a','0','0','')
mysql error: Duplicate entry 'a7afee6f9baaa8c21054f051cf2731a0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 19:56
Script: /jgs_galerie.php?sid=54f5520a28de3e692ad9680176dc730a
Referer: