Hello,
The issue appears to be caused by the NitroPack plugin. Try disabling NitroPack and check if the issue is resolved.
If the issue is confirmed to be from NitroPack, you can:
-Review its settings and adjust any optimization rules.
-Clear the NitroPack cache and test again.
-If you have made any modifications to theme files (header.php, functions.php, etc.), please check for extra spaces or unexpected output before . If any custom code has been added, try disabling it temporarily to see if it affects the issue.
Best Regards,