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 ('19a2b39389030a2e847d94d896c0e670','0','18.221.89.183','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715852671','misc.php?action=imprint&sid=30fae8b409a7b13dc0f2a5d124126808','0','0','')
mysql error: Duplicate entry '19a2b39389030a2e847d94d896c0e670' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 11:44
Script: /misc.php?action=imprint&sid=30fae8b409a7b13dc0f2a5d124126808
Referer: http://wehrbauten.de/misc.php?action=imprint&sid=30fae8b409a7b13dc0f2a5d124126808