Error parsing header X-XSS-Protection: 1;

saya bingung nih gan kyanya ada masalah ama embed youtube,

Error parsing header X-XSS-Protection: 1; mode=block; report=https://www.google.com/appserve/security-bugs/log/youtube: insecure reporting URL for secure page at character position 22. The default protections will be applied.

ada yg tau kenapa y?