Nav as symbol not works in another page

hi guys, i learning how to use webflow and i saw video explanation how to use symbols. I created another page in the same project and i tried use my save symbols. One symbol is FOOTER and it works perfect but the another symbol that is NAV not works and appers this msg: Nav link can only be placed in a Navbar. I put my nav in top of page that is place from Nav but not works, in tutorial is very simple, just drag to top but in my case not works. Is this a bug ou maybe i did something wrong? my site: