As stated in the Theme handbook (https://developer.wordpress.org/themes/advanced-topics/child-themes/)
you need to use the parent theme dir name in the ‘Template’ header. In your case the template name would be.
Template: fitness-hub
As stated in the Theme handbook (https://developer.wordpress.org/themes/advanced-topics/child-themes/)
you need to use the parent theme dir name in the ‘Template’ header. In your case the template name would be.
Template: fitness-hub