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 ('b93fe589a660a5f0426123b8a962af69','0','3.145.204.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715568614','jgs_portal.php?sid=29ffe4f4838e4dfba408dfd3374506dd','0','0','')
mysql error: Duplicate entry 'b93fe589a660a5f0426123b8a962af69' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 04:50
Script: /jgs_portal.php?sid=29ffe4f4838e4dfba408dfd3374506dd
Referer: http://wehrbauten.de/jgs_portal.php?sid=29ffe4f4838e4dfba408dfd3374506dd