SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('915dcb271c16e9a53f49b1491eb09fbd','0','216.73.216.197','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750101696','report.php?postid=37726','0','0','')
mysql error: Duplicate entry '915dcb271c16e9a53f49b1491eb09fbd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.06.2025 @ 21:21
Script: /report.php?postid=37726
Referer: