Dmx.. forders files path access through a subdomain

Hi,
I am experiencing error 404 for accessing files in different dmx folders … from a subdomain.
Exemple : The folling path in my file

• dmxAppConnect / dmxValidator / dmxValidator.css
  is read from the subdomain as follows:
• www.mysubdonmain.mydomain.com/dmxAppConnect / …

When I change the path by t

• www.mydomain.com/dmxAppConnect / dmxValidator / dmxValidator.css
  wappler changes it as soon as I save the file, by the following path
• dmxAppConnect / dmxValidator / dmxValidator.css
  Thanks for your help