Video template generators not loading in Final Cut Pro

I have attempted to download several different Envato Elements video template generators. They are showing up among my generators in Final Cut Pro, but when I try to select it and drag to my timeline, the thumbnail looks like the attached (a red screen with an exclamation point) and cannot be accessed nor edited. Any ideas for how to resolve this?

Screen Shot 2020-05-05 at 2.59.51 PM

Does anyone know how to help with FCPX? Trying to import a video template into the system and keep getting errors