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 ('5e93539d1af2e72f28f8e559131adfe3','0','3.144.116.159','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714910063','jgs_galerie.php?sid=97dd63c8051dddca39bd6978bdea518d','0','0','')
mysql error: Duplicate entry '5e93539d1af2e72f28f8e559131adfe3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 13:54
Script: /jgs_galerie.php?sid=97dd63c8051dddca39bd6978bdea518d
Referer: http://wehrbauten.de/jgs_galerie.php?sid=97dd63c8051dddca39bd6978bdea518d