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 ('93ed2d2eb0f12a0c3e979fabfe4dea54','0','3.128.170.27','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715904399','index.php?sid=45fa8ae7b6c850dc0343c79b3c215efe','0','0','')
mysql error: Duplicate entry '93ed2d2eb0f12a0c3e979fabfe4dea54' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 02:06
Script: /index.php?sid=45fa8ae7b6c850dc0343c79b3c215efe
Referer: http://wehrbauten.de/index.php?sid=45fa8ae7b6c850dc0343c79b3c215efe