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 ('26386693a32ecd78cc3738ad1db6b548','0','3.139.81.210','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715856681','team.php?sid=bd3dd693fd89de8670ea80d4e62994a8','0','0','')
mysql error: Duplicate entry '26386693a32ecd78cc3738ad1db6b548' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 12:51
Script: /team.php?sid=bd3dd693fd89de8670ea80d4e62994a8
Referer: http://wehrbauten.de/team.php?sid=bd3dd693fd89de8670ea80d4e62994a8